| LOCOMOTIVE NUMBER | | DEPOT | | | | DATES | |
| 40115 | | | | | | 22/01/79 - 28/01/80 | |
| | | | | | | | |
| | | DATE ON DEPOT | DATE OFF DEPOT | TOPS CODE | | RECORD OF MAINTENANCE REQUIREMENTS AND ATTENTION GIVEN | DEPOT |
| | | 22/01/79 | | LOP | | Loss of power | KD |
| | | | 24/01/79 | | | 3 + 4 T/M`s to earth, cable removed, repaired, re-insulated, No1 cable shortened & re-crimped | KD |
| | | | 27/01/79 | | | AX | NH |
| | | | 04/02/79 | | | BX | NH |
| | | 12/02/79 | | AWS | | A.W.S | HO |
| | | 20/02/79 | 20/02/79 | 521 + VBI | | Vac brake defect, Aux contactors | DR |
| | | | 27/02/79 | | | Header tank repaired & transfer pump renewed | KD |
| | | | 01/03/79 | | | AX | KM |
| | | 05/03/79 | | NBK | | Broken window | SP |
| | | | 10/03/79 | | | AX | EG |
| | | | 26/03/79 | | | BX | NH |
| | | | 30/03/79 | | | AX | KM |
| | | 15/05/79 | | 173 | | Low oil pressure | LO |
| | | | 17/05/79 | | | CX & Aux gen re-brushed | RS |
| | | 30/05/79 | 10/07/79 | | | Classified repairs | ZC |
| | | 28/07/79 | | LOP | | Loss of power | HO |
| | | | 06/09/79 | | | AX | LO |
| | | | 26/09/79 | | | BX, fuel pipes leaking, repaired, oil change | SP |
| | | 11/10/79 | | AWS | | A.W.S | BS |
| | | 17/10/79 | | 300 | | Repairs to brake system | LO |
| | | 22/10/79 | | 150 | | Fuel pumps | ? |
| | | 22/10/79 | | 123 | | Cam belts & shaft | SP |
| | | | 02/11/79 | | | 3A camshaft section changed | SP |
| | | | 30/11/79 | | | BX | SP |
| | | | 11/12/79 | | | AX | NH |
| | | 11/01/80 | | 510 | | Batteries repaired | NH |
| | | | 06/01/80 | | | AX | LO |
| | | | 18/01/80 | | | AX, flight valve not working | WK |
| | | 28/01/80 | | XAM | | CX | RS |