# SDR 2009FA0000981

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2009
- Submitted: November 20, 2009
- Operation: General aviation
- Engine: Lyc IO360L2A
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Bushing
- Part number: 74637
- Condition: Fractured
- Location: Valve Rocker
- 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/2009FA0000981

## Discrepancy

WHEN BURNISHING NEW VALVE ROCKER BUSHING IN VALVE ROCKER ARM, THE BUSHING FRAGMENTED.  IMPROPER MFG SUSPECTED.  (K)

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