19.03.1987 | Alteration complete "INSTALLATION OF EMERGENCY KEY BOXES TO PASSENGER CARS. (RS4190)". |
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)". |