| Last Checked or Updated 08 June 2026 |
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D438 | 50038 Formidable |
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| Photo: K. Connolly - Birmingham New St. 03/04/1979 |
| Loco Specific Information | |||
| Built By | English Electric at The Vulcan Foundry | ||
| Build Number | 3808 / D1179 | ||
| To British Rail / To Service | 16.09.1968 / 21.09.1968 | D438 | |
| TOPS Renumbered | 15.02.1974 | 50038 | |
| Time In Service | 20 years, 11 days | 7,316 days | |
| Engine Hours | 7,014 | ||
| Nameplate | Formidable | Fitted | 05.05.1978 |
| First Noted Working Found | |||
| Saturday | 20 December 1969 | xxxx 11:54 Blackpool South - London Euston | Between Blackpool South - Crewe |
| Works History & Service Working (Before & After) | |||||
| 1 — Crewe Works (1968) | |||||
| 1 | |||||
| Before | |||||
| Works | Acceptance | Entry xx.09.1968 / Release xx.09.1968 | |||
| After | |||||
| 2 — Crewe Works (1971) | |||||
| 2 | |||||
| Before | |||||
| Works | Light Repair | Entry xx.xx.xxxx / Release 20.11.1971 | |||
| After | |||||
| 3 — Crewe Works (1975) | |||||
| 3 | |||||
| Before | |||||
| Works | Intermediate | Entry Prior 23.02.1975 / Release 10.05.1975 | |||
| After | |||||
| 4 — Crewe Works (1976/7) | |||||
| 4 | Before | ||||
| Works | Light Repair | Entry Prior 16.01.1976 / Release After 16.01.1977 | |||
| After | |||||
| 5 — Doncaster Works (1980) | |||||
| 5 | |||||
| Before | |||||
| Works | Refurbishment | Entry 02.06.1980 / Release 12.11.1980 | |||
| After | |||||
| 6 — Doncaster Works (1984) | |||||
| 6 | |||||
| Before | |||||
| Works | Intermediate | Entry xx.xx.1984 / Release 21.12.1984 | |||
| After | |||||
| Last Passenger Duty (PD) / Last Working (LW) | |||
| PD | Saturday | 13 August 1988 | 1F74 19:05 Paddington - Oxford |
| LW | Saturday | 13 August 1988 | 1F74 19:05 Paddington - Oxford |
| Post Service | |||
| Withdrawn | 13.08.1988 | ||
| Condemned | 27.09.1988 | Main Generator | |
| Cut Up | 06.1989 | At | Vic Berry, Leicester |
| Identification Markings & Notes |
| Allocations / Sectors | |||
| Date | Area / Depot | Depot Code | Time Spent at Depot |
| xx.09.1968 | Allocated to London Midland Stoke Division | D05 | |
| xx.05.1973 | Allocated to Crewe Diesel | CD | |
| 04.05.1974 | Reallocated to Bristol Bath Road | BR | |
| 08.05.1977 | Reallocated to Laira | LA | |
| 10.1978 | Reallocated to Bristol Bath Road | BR | |
| 11.1978 | Reallocated to Laira | LA | |
| 04.1982 | Reallocated to Old Oak Common | OC | |
| 05.1987 | Reallocated to Laira | LA | |
| 10.1987 | Reallocated to Old Oak Common | OC | |
| Sector Code | Sector | ||
| 05.1987 | NXXA | Network SouthEast | |
| 30.09.1988 | NWRA | Network SouthEast - Thames & Chiltern | |
| Liveries | ||
| Date From | Notes | |
| 16.09.1968 | Standard British Rail Blue | |
| 11.1980 | Large Logo British Rail Blue, Grey Roof | |
| Damage / Accidents | ||||
| Photos | |
| Standard British Rail Blue Unrefurbished | Nameplate |