# SDR AUS20031256

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2003
- Submitted: January 5, 2004
- Operation: General aviation
- Make and model: Beech 76
- Registry model: [Beech 76](https://openairdocs.org/model/beech-76) (OpenAirDocs)
- Engine: Lyc LO360A1G6
- Propeller: Hartzl HCM2YR
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve Guide
- Part number: 74230
- Condition: Worn
- Location: Nr 1 Cylinder
- Part time: 198 cycles
- 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/AUS20031256

## Discrepancy

(AUS) NR 1 CYLINDER EXHAUST VALVE AND VALVE GUIDE WORN EXCESSIVELY.  VALVE NOT SEATING CORRECTLY.   FOUND DURING INSPECTION IAW AD/ENG/4 AMDT8.

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