# SDR 97ZZZX4617

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N2FOR
- Make and model: Piper PA-34-200
- Registry model: [Piper PA-34-200](https://openairdocs.org/model/piper-pa-34-200) (OpenAirDocs)
- Aircraft serial: 347570244
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bolt
- Condition: Failed
- Location: Nlg Drag Link
- Part time: 1,350 hours
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX4617

## Discrepancy

INVESTIGATION FOR NLG COLLAPSE ON LANDING FOUND BOLT CONNECTING DRAG LINK TO GEAR STRUT BROKEN.  BOLT HAD A FATIGUE CRACK WHICH WORKED THROUGH BOLT DUE TO CYCLIC LOADING UNTIL BOLT FAILED DURING GEAR EXTENSION.

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