# SDR CA060504003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2006
- Submitted: June 6, 2006
- Operation: General aviation
- Engine: Allsn 250C30P
- System (JASC): [7260 · Turbine Engine Accessory Drive](https://openairdocs.org/jasc/7260)
- Part: Bearing Cage
- Part number: 23005747
- Condition: Failed
- Location: Gearbox
- Part time: 6,078 hours
- Component: Gearbox, Allsn, 23005655
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA060504003

## Discrepancy

BEARING, REMOVED FROM GEARBOX DURING 3500 HOURS INSPECTION, HAS BEEN PREVIOUSLY ASSEMBLED WITH ONE BALL NOTICEABLY SMALLER THAN THE OTHER BALLS IN THE BEARING ASSEMBLY.  REF ROLLS-ROYCE IPC, 14W4, 72-60-00, FIG.2, P.5, ITEM 39.

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