# SDR 2002FA0000681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2002
- Submitted: May 30, 2002
- Operation: General aviation
- Aircraft: N32246
- Make and model: Piper PA-28-151
- Registry model: [Piper PA-28-151](https://openairdocs.org/model/piper-pa-28-151) (OpenAirDocs)
- Aircraft serial: 287515103
- Engine: Cont IO550B
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Condition: Damaged
- Location: Engine
- Part time: 1,045 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000681

## Discrepancy

NR 2 EXHAUST VALVE HEAD MISSING A SECTION (OVERHEATED AND TORCHED AWAY).  TRACED TO EXCESSIVE VALVE STEM/GUIDE CLEARANCE.  ALL OTHER CYLINDERS WERE REMOVED AND REPORTED TO HAVE EXCESSIVE WEAR, REQUIRING VALVE AND GUIDE REPLACEMENT.  655 HOURS SHORT OF TBO.  PLANE WAS 2 MONTHS SINCE LAST ANNUAL AND AT THAT TIME STATIC COMPRESSIONS WERE WITHIN LIMITS.

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