From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of vehicle component failures and issues with corresponding counts.
| Identifier | ExFiles\Box 107\2\ scan0205 | |
| Date | 4th March 1938 | |
| -5- RM{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux}3/N.4.3.38 Cont'd.{John DeLooze - Company Secretary} No. REAR AXLE. (1) Rear hubs roughness of roller and ball 4. | races. (2) Oil leak from bevel pinion housing. 1. --- 5. SPEEDOMETER. (1) Noisy cable. 2. || (2) Failure of trip mechanism. 7. || --- 9. CLOCKS. (1) Faulty. 6. ||||| March MELLOTONE HORNS. (1) Intermittent failure of soft note. 3. (2) Relay requires adjusting. 3. (3) Horns faulty (changed). 8. (4) Push button rattle. 4. || March 5. Wire broken inside horn 1 --- 18. PETROL GAUGE. (1) Incorrect reading of gauge. 2. | PETROL PUMPS. (1) Single pump failure, valve distorted. 1. (2) Failure of U.V). 15. ||||| (3) Leak from diaphragm. 4. (4) H.F. fitted, (intermittent failures 1) 3. (5) Electrical connection to switch faulty. 1. --- GSSC II 24. | ||