# SDR 2A6R2026020274902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Filed by: [Air Methods, LLC, repair station 2A6R933B](https://openairdocs.org/faa-repair-station/2A6R933B/air-methods-llc.md) (OpenAirDocs)
- Aircraft: [N381MS](https://openairdocs.org/aircraft/N381MS), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9293
- Aircraft time: 6,397 hours, 21,790 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Rib
- Part number: B531K1341205
- Condition: Cracked
- Location: Zone 100
- Part time: 6,397 hours, 21,790 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/2A6R2026020274902

## Discrepancy

DAMAGE TO THE FWD BOTTOM LBL195 RIB IN THE FORM OF A CRACK IN THE RADIUS OF THE TOP FLANGE. THE CRACK WAS FOUND BENEATH THE CENTER CONSOLE MOUNT AND WAS MEASURED TO BE APPROXIMATELY 1.0” IN LENGTH.  A DETAILED DESCRIPTION OF THE DAMAGE AND AN APPROVED REPAIR PROCEDURE IS PROVIDED IN REPAIR DESIGN APPROVAL SHEET RDAS-BK117-53-2026-0058A, REV A.

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