# SDR 2009FA0000392

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2009
- Submitted: May 11, 2009
- Operation: General aviation
- Aircraft: N9456B
- Make and model: Cessna 175
- Registry model: [Cessna 175](https://openairdocs.org/model/cessna-175) (OpenAirDocs)
- Aircraft serial: 55256
- Aircraft time: 2,485 hours
- Engine: Cont GO300A
- Engine time: 2,485 hours
- System (JASC): [8540 · Reciprocating Engine Rear Section](https://openairdocs.org/jasc/8540)
- Part: Flange
- Part number: 35342
- Condition: Warped
- Location: Engine
- Part time: 2,485 hours
- Component: Crankcase Cover, Cont
- Component part number: 627785
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2009FA0000392

## Discrepancy

WHILE LOOKING FOR THE SOURCE OF AN OIL LEAK FOUND THE TACHOMETER DRIVE ADAPTER HOUSING FLANGE WARPED AND CRACKED.

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