LOCOMOTIVE NUMBER | | DEPOT | | | | DATES | |
40120 | | | | | | 05/01/79 - 17/01/80 | |
| | | | | | | |
| | DATE ON DEPOT | DATE OFF DEPOT | TOPS CODE | | RECORD OF MAINTENANCE REQUIREMENTS AND ATTENTION GIVEN | DEPOT |
| | | 05/01/79 | | | AX | NH |
| | 06/01/79 | 25/01/79 | XAM | | DX. No 4 & 5 T/M rebrushed. M1 contactor changed | RS |
| | 13/02/79 | | OTD | | Other defects | RS |
| | 03/03/79 | | EFZ | | Earth fault relay | SP |
| | | 19/03/79 | | | BX. Main generator repairs done, BBL | SP |
| | | 26/03/79 | | | AX | NH |
| | | 04/04/79 | | | AX | NW |
| | | 11/04/79 | | | AX | KM |
| | | 21/04/79 | | | AX | NH |
| | 03/05/79 | | 120 | | Cylinder heads | NH |
| | | 09/05/79 | | | BX | RS |
| | 16/05/79 | | 538 | | Load regulator | KD |
| | | 18/05/79 | | | AX | KM |
| | | 27/05/79 | | | AX | SP |
| | 10/06/79 | 11/06/79 | LOP | | Loss of power & pipe from header tank to pump, fractured, repaired & replaced | KD |
| | 20/06/79 | | 111 | | Cylinder liners & seals | NH |
| | | 14/07/79 | | | CX, wheel sets turned, ultra sonic tests, and boiler changed | RS |
| | | 31/07/79 | | | AX | KM |
| | | 07/08/79 | | | AX. Boiler motor removed | NH |
| | | 15/08/79 | | | AX | EG |
| | | 23/08/79 | | | AX | HD |
| | | 02/09/79 | | | AX | NH |
| | 18/09/79 | 19/09/79 | FLK | | Fuel leak & BX | SP |
| | | 04/10/79 | | | AX | NR |
| | 09/10/79 | 10/10/79 | ABI | | Air brake defect & AX | BX |
| | | 25/10/79 | | | BX | LO |
| | | 30/10/79 | | | AX | NH |
| | 01/11/79 | | 111 | | Cylinder liners | YK |
| | 06/11/79 | | 186 | | Low coolant | RS |
| | 04/01/80 | 10/01/80 | XAM | | CX. No1 & 3 T/M bellows changed, oil changed, fuel dilution | SP |
| | 16/01/80 | | 800 | | Repairs to heating system | DR |
| | | 17/01/80 | | | AX | KM |