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).
Log of component breakages detailing piece numbers and corresponding running times.
| Identifier | ExFiles\Box 119\2\ scan0191 | |
| Date | 1st April 1924 guessed | |
| Total running time. hrs.mins. | Piece No. | Running time. hrs.mins. | BREAKAGES. Description and remarks. 37 43 | K.5422 | 7 45 | Front clip of rear side front spring broken. 38 43 | F.71009 | 24 43 | O.S. front spring (Firth 1250 lbs.) top leaf broken 6 1/2" from rear end. 41 48 | F.71009 | 27 48 | N.S. front spring (Firth 1250 lbs.) top leaf broken 6" from front end. | K.5422 | 41 48 | Rear clip N.S. front spring broken. 43 8 | F.1328 | still running | N.S. bracket of 5th.cross member broken at bolt hole. in two places. | F.1328 | " " | O.S. bracket of 5th.cross member at bolt hole. 43 26 | F.4614 | 18 46 | Rear buffer spring in rear joint side steering tube broken. 45 15 | F.7388 | still running | O.S. frame member cracked at ballast box support bolt hole. | F.6979 | " " | Cross tie of steering column cracked at central lug. 48 0 | K.5422 | 10 17 | Front clip of N.S. front spring broken. 50 0 | F.4614 | 50 0 | Rear buffer spring in front joint side steering tube broken. 51 0 | F.4614 | 7 34 | Rear buffer spring in rear joint side steering tube broken. 54 35 | F.71008 | 15 52 | O.S. front spring (Firth 1207 lbs.) top leaf broken 2" to rear of centre bolt. 55 0 | F.2306 | 55 0 | N.S. bracket from 5th. cross member to rear spring fulcrum broken. 56 5 | K.5422 | 56 5 | Front clip of O.S. front spring broken. 59 45 | F.2871 | 59 45 | Steering column clip on 2nd. cross member broken. 60 53 | F.71008 | 19 5 | N.S. front spring (Firth 1205 lbs.) top leaf broken 2" to front of centre bolt. 67 23 | F.887 | 67 23 | Steering tube broken directly above worm. | F.6979 | 67 23 | Cross tie of steering column broken at central lug. | F.9702 | 67 23 | One arm of steering rocker shaft found broken. | ||