# SDR 97ZZZX4758

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N7164D](https://openairdocs.org/aircraft/N7164D), 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: 318052013
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Bolt
- Part number: LW315444
- Condition: Failed
- Location: Eng Mount
- Part time: 1,315 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/97ZZZX4758

## Discrepancy

LOWER RIGHT HAND ATTACH BOLT HAD LOOSENED AND VIBRATED UNTIL THE NUT AND COTTER PIN WORE OUT AND CAME OFF.  BOLT THEN FELL OUT.

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