# SDR 2001FA0000488

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2001
- Submitted: November 7, 2001
- Operation: General aviation
- Aircraft: [N959SD](https://openairdocs.org/aircraft/N959SD), registered now
- Make and model: Doug 600N
- Registry model: [Doug 600N](https://openairdocs.org/model/mcdonnell-douglas-helicopter-600n) (OpenAirDocs)
- Aircraft serial: RN019
- Engine: Allsn 250C47B
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Bolt
- Part number: HS54825H18
- Condition: Broken
- Location: Tailboom
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001FA0000488

## Discrepancy

DURING PREFLIGHT PILOT FOUND TAILBOOM BOLT MOVED.  MAINTENANCE REMOVED COVER FOUND BOLT SAFETIED, BUT BROKEN 2.5 THREADS FROM SHANK BOLT REMOVED AND REINSTALLED 265.2 HOURS BEFORE.

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