# SDR QMLA2017120717137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2017
- Submitted: December 15, 2017
- Operation: Air carrier
- Aircraft: [N779LF](https://openairdocs.org/aircraft/N779LF), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9103
- Aircraft time: 5,231 hours, 15,832 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: B183M1059101
- Condition: Corroded
- Location: Cockpit
- Part time: 5,231 hours, 15,832 cycles
- 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/QMLA2017120717137

## Discrepancy

WHILE REMOVING THE VIBRATION DAMPER UNDER PILOTS SEAT FOUND STIFFENER ASSEMBLY CORRODED THAT THE VIBRATION DAMPER ATTACHES TO.

---
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.