| 04.06.1984 | Alteration "ALTERATION TO VESTIBLE ENTRANCE FLAPS. (C2069)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 13.06.1986 | Alteration "REPLACE SIDE STEM SPRINGS ON CONCERTINAS TO INCREASE CLOSING FORCE. (RS4128)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". | 
 | 20.08.1987 | Alteration "MODIFY BUFFER BEAM ON CARBON AND STAINLESS STEEL PASSENGER CARS. (RS4215)". | 
 | 26.08.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS AND FRAMES (PRIMARY AND  SECONDARY) ON STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4213)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 31.10.1989 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN (URNIE URN 7.5 LITRE) AND WATER  FILTER TO CONDUCTOR"S COMPARTMENT.  ARJ, ARL, ARM, BRG, BRJ PASSENGER CARS. (RS4456)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 28.05.1991 | Alteration "REPLACE EXISTING EXHAUST CHOKES ON 132 NO. "GHAN" "TRANS-AUSTRALIAN"  "OVERLAND", "SS" & "SSA" CARS TO IMPROVE TRAIN HANDLING. ALL STD CARS  TO BE FITTED WITH EXHAUST CHOKES TO WH P/NO. 2483 & THE 3 NO. RELAY  BRAKED CARS ARE TO BE FITTED WITH WH P/NO. C-12740 EXHAUST CHOKES .  THIS MODIFICATION WILL INCREASE BRAKE CYLINDER EXHAUST TIMINGS FROM  6-9 SECS TO 26-28 SECS. (RS4603)". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 04.06.1984 | Alteration "ALTERATION TO VESTIBLE ENTRANCE FLAPS. (C2069)". | 
 | 10.03.1986 | Alteration complete "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 13.06.1986 | Alteration "REPLACE SIDE STEM SPRINGS ON CONCERTINAS TO INCREASE CLOSING FORCE. (RS4128)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". | 
 | 20.08.1987 | Alteration "MODIFY BUFFER BEAM ON CARBON AND STAINLESS STEEL PASSENGER CARS. (RS4215)". | 
 | 26.08.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS AND FRAMES (PRIMARY AND  SECONDARY) ON STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4213)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration complete "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 31.10.1989 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN (URNIE URN 7.5 LITRE) AND WATER  FILTER TO CONDUCTOR"S COMPARTMENT.  ARJ, ARL, ARM, BRG, BRJ PASSENGER CARS. (RS4456)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 28.11.1990 | Repair "ISOLATING COCK". | 
 | 11.04.1991 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 11.04.1991 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 28.05.1991 | Alteration "REPLACE EXISTING EXHAUST CHOKES ON 132 NO. "GHAN" "TRANS-AUSTRALIAN"  "OVERLAND", "SS" & "SSA" CARS TO IMPROVE TRAIN HANDLING. ALL STD CARS  TO BE FITTED WITH EXHAUST CHOKES TO WH P/NO. 2483 & THE 3 NO. RELAY  BRAKED CARS ARE TO BE FITTED WITH WH P/NO. C-12740 EXHAUST CHOKES .  THIS MODIFICATION WILL INCREASE BRAKE CYLINDER EXHAUST TIMINGS FROM  6-9 SECS TO 26-28 SECS. (RS4603)". | 
 | 13.01.1992 | Repair "AIR BRAKE SYSTEM COMPLETE". | 
 | 13.01.1992 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 13.01.1992 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 11.10.1993 | Repair "AIR BRAKE SYSTEM COMPLETE". | 
 | 11.10.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 11.10.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 11.10.1993 | Repair "BOGIE CLEARANCE". | 
 | 11.10.1993 | Repair "BOGIE COMPLETE". | 
 | 11.10.1993 | Repair "HAND BRAKE ASSEMBLY COMPLETE". | 
 | 11.10.1993 | Repair "OTHER (NOT ELSEWHERE SPECIFIED)". | 
 | 11.10.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 11.10.1993 | Repair "VESTIBULE (PASS.)". | 
 | 11.10.1993 | Repair "WEAR PLATES & SADDLES". | 
 | 04.11.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 16.11.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 16.11.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 04.02.1994 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 04.02.1994 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 04.02.1994 | Repair "WEAR PLATES & SADDLES". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 02.03.1994 | Repair "BOGIE COMPLETE". | 
 | 30.03.1994 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 30.03.1994 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 28.08.1980 | Alteration complete "REMOVE EXISTING ASBESTOS INSULATION FROM AIR CONDITIONING CONTROL CABI  NET,LIGHTING SWITHBOARD CONTROL CABINET,AND HEATER BANK COVER PLATE IN  ROOF UNIT. (12s80)". | 
 | 04.06.1984 | Alteration "ALTERATION TO VESTIBLE ENTRANCE FLAPS. (C2069)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 13.06.1986 | Alteration complete "REPLACE SIDE STEM SPRINGS ON CONCERTINAS TO INCREASE CLOSING FORCE. (RS4128)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". | 
 | 20.08.1987 | Alteration complete "MODIFY BUFFER BEAM ON CARBON AND STAINLESS STEEL PASSENGER CARS. (RS4215)". | 
 | 26.08.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS AND FRAMES (PRIMARY AND  SECONDARY) ON STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4213)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 05.04.1988 | Alteration complete "GHAN PASSENGER CAR EXTERIOR REFURBISHMENT.  (A) FIT GHAN LOGO TO CARS  (B) FIT VINYL STRIPE TO CARS (RS4279)". | 
 | 01.07.1988 | Alteration complete "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 31.10.1989 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN (URNIE URN 7.5 LITRE) AND WATER  FILTER TO CONDUCTOR"S COMPARTMENT.  ARJ, ARL, ARM, BRG, BRJ PASSENGER CARS. (RS4456)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 25.06.1990 | Repair "WHEEL SET". | 
 | 28.05.1991 | Alteration "REPLACE EXISTING EXHAUST CHOKES ON 132 NO. "GHAN" "TRANS-AUSTRALIAN"  "OVERLAND", "SS" & "SSA" CARS TO IMPROVE TRAIN HANDLING. ALL STD CARS  TO BE FITTED WITH EXHAUST CHOKES TO WH P/NO. 2483 & THE 3 NO. RELAY  BRAKED CARS ARE TO BE FITTED WITH WH P/NO. C-12740 EXHAUST CHOKES .  THIS MODIFICATION WILL INCREASE BRAKE CYLINDER EXHAUST TIMINGS FROM  6-9 SECS TO 26-28 SECS. (RS4603)". | 
 | 17.10.1991 | Repair "AIR BRAKE SYSTEM COMPLETE". | 
 | 17.10.1991 | Repair "AUX. BRAKE RESERVOIR COMPLETE". | 
 | 17.10.1991 | Repair "BOGIE CLEARANCE". | 
 | 17.10.1991 | Repair "BRIDGE PLATE ASSEMBLY". | 
 | 17.10.1991 | Repair "COMPLETE TRIPLE VALVE - "W" OR "D&M"". | 
 | 17.10.1991 | Repair "CONCERTINA (PASS.)". | 
 | 17.10.1991 | Repair "COUPLER KNUCKLE". | 
 | 17.10.1991 | Repair "COUPLER KNUCKLE PIN". | 
 | 17.10.1991 | Repair "DRAFTGEAR COMPLETE HEAVY". | 
 | 17.10.1991 | Repair "END COMPLETE". | 
 | 17.10.1991 | Repair "HAND BRAKE ASSEMBLY COMPLETE". | 
 | 17.10.1991 | Repair "YOKE COMPLETE". | 
 | 17.10.1991 | Repair "YOKE PIN". | 
 | 05.05.1992 | Repair "BOGIE BOTTOM CENTRE PLATE". | 
 | 05.05.1992 | Alteration complete "PASSENGER ROLLINGSTOCK FOREPERSON PLEASE ARRANGE A SUITABLE PASSENGER  COACH FOR THE TESTING OF NEW "TUFFCLAD PLASTIC CENTRE LINERS".  (2 TUFFCLAD LINERS HAVE BEEN SUPPLIED TO YOUR DEPOT) (RS4696)". | 
 | 16.09.1992 | Repair "WHEEL SET". | 
 | 07.12.1992 | Repair "WHEEL SET". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 25.01.1994 | Alteration "REPLACE EXISTING STAR/DELTA STARTER WITH CLIPSAL STARTER. INSTALL  ADDITIONAL CONDENSER FAN CONTACTOR & UPGRADE OTHER CONTACTORS.  INSTALLL ISOLATORS TO UNDERFRAME MOTORS. INSTALL EARTH WIRE FORM MAIN  SWBD TO AIR CON PANEL & REWIRE AS PER DRAWINGS.  GHAN PASSENGER CARS. (RS4842)". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 04.06.1984 | Alteration "ALTERATION TO VESTIBLE ENTRANCE FLAPS. (C2069)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 13.06.1986 | Alteration "REPLACE SIDE STEM SPRINGS ON CONCERTINAS TO INCREASE CLOSING FORCE. (RS4128)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". | 
 | 20.08.1987 | Alteration "MODIFY BUFFER BEAM ON CARBON AND STAINLESS STEEL PASSENGER CARS. (RS4215)". | 
 | 26.08.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS AND FRAMES (PRIMARY AND  SECONDARY) ON STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4213)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 05.04.1988 | Alteration complete "GHAN PASSENGER CAR EXTERIOR REFURBISHMENT.  (A) FIT GHAN LOGO TO CARS  (B) FIT VINYL STRIPE TO CARS (RS4279)". | 
 | 01.07.1988 | Alteration complete "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 16.08.1989 | Repair "WHEEL SET". | 
 | 31.10.1989 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN (URNIE URN 7.5 LITRE) AND WATER  FILTER TO CONDUCTOR"S COMPARTMENT.  ARJ, ARL, ARM, BRG, BRJ PASSENGER CARS. (RS4456)". | 
 | 18.05.1990 | Repair "WHEEL SET". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 28.05.1991 | Alteration "REPLACE EXISTING EXHAUST CHOKES ON 132 NO. "GHAN" "TRANS-AUSTRALIAN"  "OVERLAND", "SS" & "SSA" CARS TO IMPROVE TRAIN HANDLING. ALL STD CARS  TO BE FITTED WITH EXHAUST CHOKES TO WH P/NO. 2483 & THE 3 NO. RELAY  BRAKED CARS ARE TO BE FITTED WITH WH P/NO. C-12740 EXHAUST CHOKES .  THIS MODIFICATION WILL INCREASE BRAKE CYLINDER EXHAUST TIMINGS FROM  6-9 SECS TO 26-28 SECS. (RS4603)". | 
 | 10.04.1992 | Repair "WHEEL SET". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 25.01.1994 | Alteration "REPLACE EXISTING STAR/DELTA STARTER WITH CLIPSAL STARTER. INSTALL  ADDITIONAL CONDENSER FAN CONTACTOR & UPGRADE OTHER CONTACTORS.  INSTALLL ISOLATORS TO UNDERFRAME MOTORS. INSTALL EARTH WIRE FORM MAIN  SWBD TO AIR CON PANEL & REWIRE AS PER DRAWINGS.  GHAN PASSENGER CARS. (RS4842)". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 04.06.1984 | Alteration complete "ALTERATION TO VESTIBLE ENTRANCE FLAPS. (C2069)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 13.06.1986 | Alteration "REPLACE SIDE STEM SPRINGS ON CONCERTINAS TO INCREASE CLOSING FORCE. (RS4128)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". | 
 | 20.08.1987 | Alteration "MODIFY BUFFER BEAM ON CARBON AND STAINLESS STEEL PASSENGER CARS. (RS4215)". | 
 | 26.08.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS AND FRAMES (PRIMARY AND  SECONDARY) ON STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4213)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 31.10.1989 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN (URNIE URN 7.5 LITRE) AND WATER  FILTER TO CONDUCTOR"S COMPARTMENT.  ARJ, ARL, ARM, BRG, BRJ PASSENGER CARS. (RS4456)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 13.05.1991 | Repair "WHEEL SET". | 
 | 28.05.1991 | Alteration "REPLACE EXISTING EXHAUST CHOKES ON 132 NO. "GHAN" "TRANS-AUSTRALIAN"  "OVERLAND", "SS" & "SSA" CARS TO IMPROVE TRAIN HANDLING. ALL STD CARS  TO BE FITTED WITH EXHAUST CHOKES TO WH P/NO. 2483 & THE 3 NO. RELAY  BRAKED CARS ARE TO BE FITTED WITH WH P/NO. C-12740 EXHAUST CHOKES .  THIS MODIFICATION WILL INCREASE BRAKE CYLINDER EXHAUST TIMINGS FROM  6-9 SECS TO 26-28 SECS. (RS4603)". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 24.08.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 15.09.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 15.09.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 29.09.1993 | Repair "AIR BRAKE SYSTEM COMPLETE". | 
 | 29.09.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 29.09.1993 | Repair "BRAKE SPREADER & HANGERS". | 
 | 21.10.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 21.10.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 03.11.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 03.11.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 15.04.1994 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 15.04.1994 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 10.12.1979 | Alteration "MODIFICATION TO BUFFER BEAM ASSEMBLY. DWG 3C 40A.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP1279)". | 
 | 10.12.1979 | Alteration "MODIFICATION TO HANDBRAKE. DWG AC 1709B, BC1567C.  BRG 969, 972, 974. BRJ 912, 914, 915, 916, 917, 918, 919, 999.  DF 930, 934, 935, 964. ER 906, 909, 910, 911. (IP1379)". | 
 | 09.01.1980 | Alteration complete "MODIFICATION OF DRAFTGEAR POCKET AND HEADSTOCK.  DWGS. 1C 130, 1C 131, 1C 132, 2C 109, 2C 110, 2C 111.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0380)". | 
 | 09.01.1980 | Alteration complete "REPLACEMENT OF MINER RF361 DRAFTGEAR WITH R 361-7 TYPE DRAFTGEAR.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0280)". | 
 | 12.08.1980 | Alteration complete "INSTALLATION OF EMERGENCY TOOL BOX IN CONDUCTORS COMPARTMENT.  DWGS. 2C 140, 2C 141, 2C 144.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999. (IP0680)". | 
 | 20.08.1980 | Alteration complete "REMOVE EXISTING ASBESTOS INSULATION FROM AIR CONDITIONING CONTROL  CABINET. LIGHTING SWITCHBOARD CONTROL CABINET AND HEATER BANK COVER  PLATE IN ROOF. AFC 936,937,938,939, ARJ 940,941,944,945,973,984,985,  986, ARL 920,921,922,923,925,947,961,962,963,990,992, ARM 951,952,953,  954,987, BRG 969,972,974, BRJ 912,914,915,916,917,918,919,999, CDF 924  928,929,966, DF 927,930,934,935,964, ER 906,909,910,911. (IP0880)". | 
 | 30.09.1981 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN IN CONDUCTORS COMPARTMENT.  DWG.1C 179.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,914  915,916,917,918,919,999. (IP0481)". | 
 | 15.05.1984 | Alteration "ALTERATION TO VESTIBULE ENTRANCE FLAPS. DWG. 2C 173.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999, ER 906,909,910,911. (IP0184)". | 
 | 31.07.1984 | Alteration "REPLACE TRUNNIONS AND SCREW AS USED ON WATER TANKS SUSPENSION FOR  HOT AND COLD WATER TANKS. DWG. BC 12545B.I. ITEMS 6,7,8.  ALL CARS. (IP0284)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 05.02.1987 | Alteration "FIT TELESCOPIC GAS SPRING TO ENTRANCE FLAP OF STAINLESS STEEL  PASSENGER CARS. APPLICABLE DRAWINGS 2C-182 & 3C-111 (IP0287)". | 
 | 05.02.1987 | Alteration "REPLACE DIAPHRAGM SIDE STEM SPRINGS TO INCREASE CLOSING FORCE.  APPLICABLE DRAWINGS 3C-110 (IP0187)". | 
 | 20.03.1987 | Alteration "INSTALLATION OF EMERGENCY KEY BOX.  APPLICABLE DRAWING 2C-190 (IP0387)". | 
 | 11.06.1987 | Alteration "FIT SHOWER ROSE "CONSERVA" LOW PRESSURE SHOWER ROSE PART NO. 56/203.  WHEN REQUIRED TO BE REPLACED. ;SUPERSEDED BY IP1087; (IP0687)". | 
 | 26.08.1987 | Alteration "MODIFICATION TO BUFFER BEAM ASSY ON ALL IP PASSENGER CARS AS PER  DRAWING 2C.193 (IP0887)". | 
 | 22.09.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS ON IP PASSENGER CARS.  APPLICABLE DRAWINGS A2/24-CM-31  TYPE AND SERIAL NUMBER OF CARS INVOLVED  ALL AIR CONDITIONED IP PASSENGER CARS. (IP0987)". | 
 | 09.12.1987 | Alteration "REMOVAL ;CONSERVA; SHOWER ROSE IP MOD 6/87 FIT INLINE  FLOW RESTRICTOR AND REFIT ORIGINAL SHOWER ROSE. (IP1087)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 15.08.1990 | Repair "WHEEL SET". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 28.07.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 22.10.1993 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 22.10.1993 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 03.02.1994 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 03.02.1994 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 23.02.1994 | Repair "WEAR PLATES & SADDLES". | 
 | 02.03.1994 | Repair "BOGIE COMPLETE". | 
 | 10.03.1994 | Repair "BOGIE BRAKE BLOCKS X92". | 
 | 10.03.1994 | Repair "OTHER SLACK ADJUSTER COMPLETE". | 
 | 10.12.1979 | Alteration "MODIFICATION TO BUFFER BEAM ASSEMBLY. DWG 3C 40A.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP1279)". | 
 | 10.12.1979 | Alteration "MODIFICATION TO HANDBRAKE. DWG AC 1709B, BC1567C.  BRG 969, 972, 974. BRJ 912, 914, 915, 916, 917, 918, 919, 999.  DF 930, 934, 935, 964. ER 906, 909, 910, 911. (IP1379)". | 
 | 09.01.1980 | Alteration "MODIFICATION OF DRAFTGEAR POCKET AND HEADSTOCK.  DWGS. 1C 130, 1C 131, 1C 132, 2C 109, 2C 110, 2C 111.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0380)". | 
 | 09.01.1980 | Alteration "REPLACEMENT OF MINER RF361 DRAFTGEAR WITH R 361-7 TYPE DRAFTGEAR.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0280)". | 
 | 12.08.1980 | Alteration complete "INSTALLATION OF EMERGENCY TOOL BOX IN CONDUCTORS COMPARTMENT.  DWGS. 2C 140, 2C 141, 2C 144.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999. (IP0680)". | 
 | 20.08.1980 | Alteration "REMOVE EXISTING ASBESTOS INSULATION FROM AIR CONDITIONING CONTROL  CABINET. LIGHTING SWITCHBOARD CONTROL CABINET AND HEATER BANK COVER  PLATE IN ROOF. AFC 936,937,938,939, ARJ 940,941,944,945,973,984,985,  986, ARL 920,921,922,923,925,947,961,962,963,990,992, ARM 951,952,953,  954,987, BRG 969,972,974, BRJ 912,914,915,916,917,918,919,999, CDF 924  928,929,966, DF 927,930,934,935,964, ER 906,909,910,911. (IP0880)". | 
 | 30.09.1981 | Alteration "INSTALLATION OF ELECTRIC HOT WATER URN IN CONDUCTORS COMPARTMENT.  DWG.1C 179.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,914  915,916,917,918,919,999. (IP0481)". | 
 | 15.05.1984 | Alteration "ALTERATION TO VESTIBULE ENTRANCE FLAPS. DWG. 2C 173.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999, ER 906,909,910,911. (IP0184)". | 
 | 31.07.1984 | Alteration "REPLACE TRUNNIONS AND SCREW AS USED ON WATER TANKS SUSPENSION FOR  HOT AND COLD WATER TANKS. DWG. BC 12545B.I. ITEMS 6,7,8.  ALL CARS. (IP0284)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 17.12.1986 | Alteration complete "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 05.02.1987 | Alteration complete "FIT TELESCOPIC GAS SPRING TO ENTRANCE FLAP OF STAINLESS STEEL  PASSENGER CARS. APPLICABLE DRAWINGS 2C-182 & 3C-111 (IP0287)". | 
 | 05.02.1987 | Alteration complete "REPLACE DIAPHRAGM SIDE STEM SPRINGS TO INCREASE CLOSING FORCE.  APPLICABLE DRAWINGS 3C-110 (IP0187)". | 
 | 20.03.1987 | Alteration "INSTALLATION OF EMERGENCY KEY BOX.  APPLICABLE DRAWING 2C-190 (IP0387)". | 
 | 11.06.1987 | Alteration "FIT SHOWER ROSE "CONSERVA" LOW PRESSURE SHOWER ROSE PART NO. 56/203.  WHEN REQUIRED TO BE REPLACED. ;SUPERSEDED BY IP1087; (IP0687)". | 
 | 26.08.1987 | Alteration complete "MODIFICATION TO BUFFER BEAM ASSY ON ALL IP PASSENGER CARS AS PER  DRAWING 2C.193 (IP0887)". | 
 | 22.09.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS ON IP PASSENGER CARS.  APPLICABLE DRAWINGS A2/24-CM-31  TYPE AND SERIAL NUMBER OF CARS INVOLVED  ALL AIR CONDITIONED IP PASSENGER CARS. (IP0987)". | 
 | 09.12.1987 | Alteration "REMOVAL ;CONSERVA; SHOWER ROSE IP MOD 6/87 FIT INLINE  FLOW RESTRICTOR AND REFIT ORIGINAL SHOWER ROSE. (IP1087)". | 
 | 15.03.1988 | Alteration complete "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 18.07.1990 | Repair "AIR CONDITIONER COMPRESSOR (PASS.)". | 
 | 18.07.1990 | Repair "AIR CONDITIONER CONDENSOR (PASS.)". | 
 | 18.07.1990 | Repair "AIR CONDITIONER MOTOR (PASS.)". | 
 | 18.07.1990 | Repair "BATTERY BOX (PASS.)". | 
 | 18.07.1990 | Repair "BATTERY CHARGER (PASS.)". | 
 | 18.07.1990 | Repair "ELECTRICAL CONTROL PANEL (PASS.)". | 
 | 18.07.1990 | Repair "EVAPORATOR UNIT (PASS.)". | 
 | 18.07.1990 | Repair "HOT WATER TANK (PASS.)". | 
 | 18.07.1990 | Repair "LIGHTING (INTERIOR)". | 
 | 18.07.1990 | Repair "WATER COOLER (PASS.)". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". | 
 | 10.12.1979 | Alteration "MODIFICATION TO BUFFER BEAM ASSEMBLY. DWG 3C 40A.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP1279)". | 
 | 10.12.1979 | Alteration "MODIFICATION TO HANDBRAKE. DWG AC 1709B, BC1567C.  BRG 969, 972, 974. BRJ 912, 914, 915, 916, 917, 918, 919, 999.  DF 930, 934, 935, 964. ER 906, 909, 910, 911. (IP1379)". | 
 | 09.01.1980 | Alteration complete "MODIFICATION OF DRAFTGEAR POCKET AND HEADSTOCK.  DWGS. 1C 130, 1C 131, 1C 132, 2C 109, 2C 110, 2C 111.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0380)". | 
 | 09.01.1980 | Alteration complete "REPLACEMENT OF MINER RF361 DRAFTGEAR WITH R 361-7 TYPE DRAFTGEAR.  ALL AFC, ARJ, ARL, ARM, BRG, BRJ, CDF, DF, ER, HGM, HM. (IP0280)". | 
 | 12.08.1980 | Alteration complete "INSTALLATION OF EMERGENCY TOOL BOX IN CONDUCTORS COMPARTMENT.  DWGS. 2C 140, 2C 141, 2C 144.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999. (IP0680)". | 
 | 20.08.1980 | Alteration complete "REMOVE EXISTING ASBESTOS INSULATION FROM AIR CONDITIONING CONTROL  CABINET. LIGHTING SWITCHBOARD CONTROL CABINET AND HEATER BANK COVER  PLATE IN ROOF. AFC 936,937,938,939, ARJ 940,941,944,945,973,984,985,  986, ARL 920,921,922,923,925,947,961,962,963,990,992, ARM 951,952,953,  954,987, BRG 969,972,974, BRJ 912,914,915,916,917,918,919,999, CDF 924  928,929,966, DF 927,930,934,935,964, ER 906,909,910,911. (IP0880)". | 
 | 30.09.1981 | Alteration complete "INSTALLATION OF ELECTRIC HOT WATER URN IN CONDUCTORS COMPARTMENT.  DWG.1C 179.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,914  915,916,917,918,919,999. (IP0481)". | 
 | 15.05.1984 | Alteration "ALTERATION TO VESTIBULE ENTRANCE FLAPS. DWG. 2C 173.  ARJ 940,941,944,945,973,984,985,986, ARL 920,921,922,923,925,947,961,  962,963,990,992, ARM 951,952,953,954,987, BRG 969,972,974, BRJ 912,  914,915,916,917,918,919,999, ER 906,909,910,911. (IP0184)". | 
 | 31.07.1984 | Alteration "REPLACE TRUNNIONS AND SCREW AS USED ON WATER TANKS SUSPENSION FOR  HOT AND COLD WATER TANKS. DWG. BC 12545B.I. ITEMS 6,7,8.  ALL CARS. (IP0284)". | 
 | 10.03.1986 | Alteration "FIT TELESCOPIC GAS SPRING TO VESTIBULE FLAP OF STAINLESS STEEL  PASSENGER CARS.  ARL, ARM, ARJ, BRJ, ER, SSA. (RS4109)". | 
 | 17.12.1986 | Alteration "APPLY CHECK LETTER TO CLASS & NUMBER OF APPROXIMATELY 443 LOCOMOTIVES,  PASSENGER CARS AND RAIL CARS.  CLASSIFY OVERLAND SLEEPING CARS. (RS4173)". | 
 | 05.02.1987 | Alteration "FIT TELESCOPIC GAS SPRING TO ENTRANCE FLAP OF STAINLESS STEEL  PASSENGER CARS. APPLICABLE DRAWINGS 2C-182 & 3C-111 (IP0287)". | 
 | 05.02.1987 | Alteration "REPLACE DIAPHRAGM SIDE STEM SPRINGS TO INCREASE CLOSING FORCE.  APPLICABLE DRAWINGS 3C-110 (IP0187)". | 
 | 20.03.1987 | Alteration "INSTALLATION OF EMERGENCY KEY BOX.  APPLICABLE DRAWING 2C-190 (IP0387)". | 
 | 11.06.1987 | Alteration "FIT SHOWER ROSE "CONSERVA" LOW PRESSURE SHOWER ROSE PART NO. 56/203.  WHEN REQUIRED TO BE REPLACED. ;SUPERSEDED BY IP1087; (IP0687)". | 
 | 26.08.1987 | Alteration "MODIFICATION TO BUFFER BEAM ASSY ON ALL IP PASSENGER CARS AS PER  DRAWING 2C.193 (IP0887)". | 
 | 22.09.1987 | Alteration "MODIFY AIR CONDITIONING INTAKE FILTERS ON IP PASSENGER CARS.  APPLICABLE DRAWINGS A2/24-CM-31  TYPE AND SERIAL NUMBER OF CARS INVOLVED  ALL AIR CONDITIONED IP PASSENGER CARS. (IP0987)". | 
 | 09.12.1987 | Alteration "REMOVAL ;CONSERVA; SHOWER ROSE IP MOD 6/87 FIT INLINE  FLOW RESTRICTOR AND REFIT ORIGINAL SHOWER ROSE. (IP1087)". | 
 | 15.03.1988 | Alteration "MODIFY BUFFER BEAMS AND FIT ADDITIONAL SPRINGS TO EITHER SIDE OF THE  COUPLER TO INCREASE THE DIAPHRAGM COMPRESSIVE FORCE ON ALL  STAINLESS STEEL AND CARBON STEEL PASSENGER CARS. (RS4270)". | 
 | 01.07.1988 | Alteration complete "FIT EXISTING SHOWER MIXING VALVE WITH CHROME BREACH PIECE 133MM  CENTRES TO ALL SHOWER COMPARTMENTS.  AG, BG, BA, BRG, ARJ, ARL, ARM, ER. (RS4290)". | 
 | 16.05.1989 | Alteration "FIT 1.8 MM THICK LEAD SHEET TO THE FLOORS OF ALL STANDARD GAUGE  PASSENGER CARS, INCLUDING I.P. CARS. (RS4420)". | 
 | 21.06.1990 | Alteration "FIT LONGER PIN IN PASSENGER CAR JUMPER CABLE PLUGS.  ALL PASSENGER CARS. (RS4518)". | 
 | 14.05.1993 | Alteration "FIT "MINER TCC 8000" CONSTANT CONTACT SIDEBEARERS TO ALL I.P.  PASSENGER CARS TO DRAWING C3-13. (RS4791)". | 
 | 28.06.1993 | Alteration "ON STAINLESS STEEL PASSENGER CARS (IP & GHAN) REMOVE TEMPERATURE  RECORDING INSTRUMENT FROM AIR CONDITIONING CONTROL PANEL AREA. REMOVE  ASSOCIATED PIPE WORK. (RS4800)". | 
 | 29.07.1993 | Alteration "MODIFY ALL IP PASSENGER CARS WITH CLASP BRAKING SYSTEM TO A 2 PAIR  BRAKE BLOCK RIGGING SYSTEM TO GENERAL DRAWING C3-14. ALSO MODIFY ALL  GHAN CARS.  ALL IP & GHAN CARS. (RS4808)". | 
 | 03.08.1993 | Alteration "FLUSH ALL EXISTING WATER TANKS ON "GHAN" & "IP" PASSENGER CARS.  INSTALL ONE UNIT OF TWIN "SOLO" WATER FILTRATION SYSTEM ON EACH  PASSENGER CAR IN ACCORDANCE WITH SPECIFICATION ON DRAWING A1/C8-16.  ALL GHAN & IP PASS. CARS (RS4809)". | 
 | 04.08.1993 | Alteration "INSTALL LATERAL RESTAINT TO BUFFER BEAMS ON ALL IP AND GHAN  ROLLINGSTOCK IN ACCORDANCE WITH DWG NO. A0/C8-11. (RS4812)". | 
 | 04.08.1993 | Alteration "INSTALL ONE GRAVITY TRAP IN EACH TOILET CHUTE ON ALL I.P. AND GHAN  PASSENGER CARS IN ACCORDANCE WITH DWG NO. A1/C8-10. (RS4811)". | 
 | 17.02.1994 | Alteration "REPLACE EXISTING AIRCONDITIONING FILTER ASSEMBLIES WITH "PRYOCONE"  FILTER ASSEMBLIES.  ALL GHAN & IP CARS. (RS4843)". |