# SDR QMLA2011081711087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2011
- Submitted: August 19, 2011
- Operation: Air carrier
- Aircraft: N420MB
- Make and model: Bolkms BK117A3
- Aircraft serial: 7077
- Aircraft time: 12,969 hours, 45,458 cycles
- Engine: Lyc LTS101*
- System (JASC): [5302 · Rotorcraft Tail Boom](https://openairdocs.org/jasc/5302)
- Part: Frame
- Condition: Cracked
- Location: Control Rod
- Part time: 12,969 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2011081711087

## Discrepancy

THE MECHANIC FOUND A CRACK IN THE TAILBOOM AT FRAME 10L, DURING A SCHEDULED INSP.

---
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.