# SDR QMLA2017022217021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2017
- Submitted: February 24, 2017
- Operation: Air carrier
- Aircraft: [N154AM](https://openairdocs.org/aircraft/N154AM), registered now
- Make and model: Bolkms BK117B2
- Aircraft serial: 7154
- Aircraft time: 11,435 hours, 40,558 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Splice
- Part number: 1172213201
- Condition: Cracked
- Location: Tailboom
- Part time: 40,558 hours
- 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/QMLA2017022217021

## Discrepancy

CRACK FOUND IN SPLICE WHILE PERFORMING SCHEDULED MAINTENANCE ON AIRCRAFT.  NO EVIDENCE OF ANY NICKS OR DAMAGE THAT MIGHT HAVE CAUSED CRACK.  SUSPECT CRACK WAS CAUSED BY FATIGUE.

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