# SDR 99ZZZX1640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N91767](https://openairdocs.org/aircraft/N91767), registered now
- Make and model: Cessna 182M
- Registry model: [Cessna 182M](https://openairdocs.org/model/cessna-182m) (OpenAirDocs)
- Aircraft serial: 18259899
- Engine: Cont O470R
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve Guide
- Part number: 65464943BP
- Condition: Worn
- Location: Cylinder
- Part time: 133 hours
- 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/99ZZZX1640

## Discrepancy

EXHAUST VALVE GUIDES WORN OUT SEVERELY ON ALL 6 CYLINDERS.  133.0 HOURS SINCE NEW.

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