# SDR AUS20031096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2003
- Submitted: November 3, 2003
- Operation: General aviation
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Engine: Lyc O320E2D
- Propeller: Mcauly 1C160DTM
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Condition: Separated
- Location: Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20031096

## Discrepancy

(AUS) NR 4 CYLINDER EXHAUST VALVE HEAD SEPARATED FROM VALVE STEM. VALVEGUIDE LOOSE IN HEAD.

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