# SDR QMLA2019042549041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2019
- Submitted: April 25, 2019
- Operation: Air carrier
- Aircraft: [N779LF](https://openairdocs.org/aircraft/N779LF), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9103
- Aircraft time: 5,814 hours, 17,553 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Skin
- Part number: B535M2004103
- Condition: Cracked
- Location: Tailboom
- Part time: 5,814 hours, 17,553 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/QMLA2019042549041

## Discrepancy

DURING A SCHEDULED MAINTENANCE EVENT, A CRACK WAS DISCOVERED ON TOP OF THE TAIL BOOM. THIS AIRCRAFT REMAINS OOS AT THE TIME OF THIS SUBMISSION AWAITING THE APPROVED REPAIR.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.