# SDR 98ZZZX227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N3527U](https://openairdocs.org/aircraft/N3527U), registered now
- Engine: Cont O200*
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Valves
- Part number: 654064
- Condition: Pitted
- Location: Valve Stem
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX227

## Discrepancy

INSPECTION OF 6 NEW VALVES FOUND TWO OF THE VALVE STEMS WERE GENERALLY IN POOR CONDITION.  FURTHER INSPECTION FOUND DEEP PITS AND SCRATCHES THAT APPEARED TO BE INCLUSIONS OR OTHER IMPURITIES.

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