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).
Summary of faults recorded for chassis 10 G.III during a 10,027-mile test.
| Identifier | Morton\M2.7\ img014 | |
| Date | 3rd May 1926 | |
| X58409 R Chassis 10 G.III. Summary of faults during the 10,027 Miles Test. Carried out from the 2-4-26 to the 3-5-26. Tested at. | Miles run. | Total mileage. | REMARKS. ----------------|------------|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------- Chateauroux. | 1513. | 1513. | Lug on tie rod bracket for battery box stay broken. " " | 1939. | 1939. | Rear battery box bracket damaged &bolts broken causing damages to battery and box. New bracket fitted. " " | 2357. | 2357. | Cambridge thermometer tube broken where same is attached to dash board. " " | 1566. | 3905. | Rear battery bracket top bolt holding bracket to frame broken bottom corner of bracket cracked. " " | 4755. | 4755. | Flange on exhaust pipe broken off. " " | 5755. | 5755. | Side spare wheel bracket broken off where tube enters socket attached to frame. " " | 6425. | 6425. | Both side lamp wires broken underneath wings. " " | 7526. | 7526. | Front body bolt holding same to sub frame broken. Rear N.S. Spring top leaf cracked 1/2way accross, 5 3/8" rear of center bolt; also 5th leaf broken right accross 2 3/8" rear of center bolt. " " | 2771. | 7526. | Flange on exhaust pipe broken. | ||