# SDR 99ZZZX1992

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N4502L
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 318052178
- Engine: Lyc LTIO540J2BD
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Condition: Cracked
- Location: Engine
- 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/99ZZZX1992

## Discrepancy

ECI (ENGINE COMPONENTS INC) C/W CYLINDER RECONDITION.  NDT HEAD AND INSTALL NEW BARREL.  HEAD FAILED IN-FLIGHT.  POSSIBLE CAUSE, UNDETECTED INTERNAL CRACK AT TIME OF RECONDITION.  CYLINDER IDENTIFIED AS CL 40/STF 405A.

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