# SDR CA980615002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Engine: Lyc O320E2D
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Crankshaft
- Part number: 74648
- Condition: Worn
- Location: Engine
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980615002

## Discrepancy

(CAN) CRANKSHAFT INSPECTED AS PRE FAA AD 98-02-08.  NUMEROUS CORROSION PITTING FOUND EXCEEDING THE MAXIMUM INTERNAL DIMENSIONAL LIMITS.  CRANKSHAFT SCRAPPED.

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