# SDR QMLA2011033111040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2011
- Submitted: March 31, 2011
- Operation: Air carrier
- Aircraft: [N1174U](https://openairdocs.org/aircraft/N1174U), registered now
- Make and model: Bolkms BK117B2
- Aircraft serial: 7146
- Aircraft time: 6,640 hours, 22,130 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Structure
- Part number: 1173040802
- Condition: Cracked
- Location: Tail Boom
- Part time: 316 hours, 1,093 cycles
- 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/QMLA2011033111040

## Discrepancy

CRACK DISCOVERED DURING INSPECTION ON VERTICAL FIN CAP AT STA 10950, BL 20, AND WL 4050.  ACFT BEING FERRIED TO FACILITATE REPAIR.

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