# SDR QMLA2013052113070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2013
- Submitted: May 22, 2013
- Operation: Air carrier
- Aircraft: [N145SU](https://openairdocs.org/aircraft/N145SU), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9102
- Aircraft time: 3,992 hours, 11,746 cycles
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Frame
- Part number: 105304161
- Condition: Cracked
- Location: Tailboom
- Part time: 334 hours
- Component: Tailboom
- Component part number: B535M2095102
- 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/QMLA2013052113070

## Discrepancy

FOUND CRACK IN FRAME.   CRACK IS RUNS IN A LINEAR DIRECTION.  THE CRACK IS NOT PROPAGATING INTO THE LOAD BEARING PART OF THE FRAME. CRACKED TWICE BEFORE.

---
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.