# SDR 98ZZZX1079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N6039P](https://openairdocs.org/aircraft/N6039P), registered now
- Make and model: Piper PA-24-250
- Registry model: [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250) (OpenAirDocs)
- Aircraft serial: 241135
- Engine: Lyc O540A1A5
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valve Guide
- Condition: Defective
- Location: Cyl 1-4 Exh
- 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/98ZZZX1079

## Discrepancy

CHECKED VALVE GUIDE CLEARANCE IAW SB 388B AND FOUND EXHAUST VALVES GUIDES IN CYLINDERS 1 AND 4 TO BE OUT OF SPECIFICATIONS.  THE INTAKE AND EXHAUST VALVES IN BOTH CYLINDERS ALSO WERE BELOW MANUFACTURER'S SPECIFICATIONS.

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