| Last known working before and after a repair |
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| 1 |
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| 1 |
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| 2 |
Saturday |
31st August 1974 |
1A79 0900 Penzance - London Paddington between Plymouth - London Paddington |
| 2 |
Friday |
13th December 1974 |
1A69 0835 Penzance - London Paddington |
| 3 |
Saturday |
02nd August 1980 |
1M39 0932 Penzance - Wolverhampton between Penzance - Gloucester |
| 3 |
Thursday |
18th September 1980 |
1V93 0950 Edinburgh Waverley - Plymouth between York - Derby |
| 4 |
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| 4 |
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| 5 |
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| 5 |
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| 6 |
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| 6 |
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| 7 |
Monday |
21st March 1983 |
1C56 1700 London Paddington - Hereford |
| 7 |
Thursday |
06th October 1983 |
2B15 0730 Taunton - Bristol Temple Meads |
| 8 |
Monday |
21st September 1987 |
1O19 1417 Exeter St Davids - London Waterloo |
| 8 |
Thursday |
03rd December 1987 |
2C31 0624 Newton Abbot - Exeter St Davids |