# SDR 97ZZZX3407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N40919](https://openairdocs.org/aircraft/N40919), registered now
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Aircraft serial: 318152162
- Engine: Lyc TIO540J2BD
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Connecting Rod
- Part number: LW19332
- Condition: Failed
- Location: Nr 4
- Part time: 4,061 hours
- Stage of operation: AP
- Nature of condition: E, R, K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3407

## Discrepancy

LEFT ENGINE FAILED DUE TO CONNECTING ROD FAILURE AT THE NR 4 POSITION.  AREA OF WHICH ROD MAY HAVE INITIALLY FAILED, COULD BE RELATED TO LYCOMING SB 439A (INSPECTION OF CONNECTING RODS FOR FRETTING AND/OR GALLING).  THE ABOVE STATMENT WAS WRITTEN AFTER DISASSEMBLY OF ENGINE.

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