# SDR 95ZZZX2088

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N2071S](https://openairdocs.org/aircraft/N2071S), registered now
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33046
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Nut
- Part number: NAS5778A
- Condition: Failed
- Location: Tail Boom
- Part time: 10,127 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/95ZZZX2088

## Discrepancy

WHILE INSTALLING TAIL BOOM WHEN COMING UP TO REQUIRED TORQUE ON UPPER RT TAIL BOOM TO FUSELAGE ATTACHMENT BOLT PN NAS 628, A 'POP' NOISE WAS HEARD AND THE BOLT THREADS SEEMED TO BE STRIPPED.  THE BOLT AND NUT WERE REMOVED AND THE NUT WAS FOUND SPLIT IN TWO PIECES.  CAUSE UNKNOWN.

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