# SDR QMLA2011111611109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2011
- Submitted: November 17, 2011
- Operation: Air carrier
- Aircraft: N420MB
- Make and model: Bolkms BK117A3
- Aircraft serial: 7077
- Aircraft time: 13,065 hours, 45,728 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Spar
- Part number: 11203406
- Condition: Cracked
- Location: Tailboom
- Part time: 13,065 hours, 45,728 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2011111611109

## Discrepancy

DURING INSPECTION,  FOUND A CRACK IN THE TAILBOOM VERTICAL FIN MAIN SPAR.  OPEN.

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