# SDR 98ZZZX52

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Covington Aircraft Engines Inc, repair station CP2R750K](https://openairdocs.org/faa-repair-station/CP2R750K/covington-aircraft-engines-inc.md) (OpenAirDocs)
- Engine: Pwa R1340AN1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Roller
- Part number: 5999
- Condition: Spalled
- Location: Tappet
- Part time: 700 hours
- 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/98ZZZX52

## Discrepancy

VALVE TAPPET ROLLER WAS FOUND TO BE SPALLING AT THE TIME OF OTHER REPAIR TO THE ENGINE.  METAL IN THE OIL SCREEN OR FILTERS, AND A CHIP DETECTOR LIGHT WOULD BE EARLY WARNING SIGNS OF A PROBLEM.

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