# SDR 2003FA0001173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2003
- Submitted: November 18, 2003
- Operation: General aviation
- Aircraft: N4237D
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 317305055
- Engine: Lyc TIO540J2BD
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Tappet
- Part number: 72877
- Condition: Broken
- Location: Engine Cylinder
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0001173

## Discrepancy

TAPPET BODY SEPARATED AND CAUSED ENGINE TO BECOME CONTAMINATED WITH METAL.  THIS WAS RECONDITIONED TAPPET BODY.  HAVE BEEN USING THESE TAPPETS FOR ALMOST 20 YEARS AND THIS IS THE FIRST ONE THAT HAVE HAD TO BREAK.

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