# SDR QR9R2026022000001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2026
- Submitted: February 20, 2026
- Operation: General aviation
- Filed by: [M1 Support Services, repair station QR9R369D](https://openairdocs.org/faa-repair-station/QR9R369D/m1-support-services.md) (OpenAirDocs)
- Make and model: Bolkms BK117C2
- Aircraft serial: 9742
- Aircraft time: 4,906 hours
- System (JASC): [7297 · Turbine Engine System Wiring](https://openairdocs.org/jasc/7297)
- Part: Wire Harness
- Part number: 0301057950
- Part serial: 565LAM
- Condition: Failed Insp
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2026022000001

## Discrepancy

DURING THE HARNESS REPAIR PROCESS,  THE FINAL ELECTRICAL CONTINUITY TEST FOR SHIELDING BETWEEN CONNECTORS WAS NOT PERFORMED. AS A RESULT, SUBSEQUENT TESTING ON SITE REVEALED THE ENGINE OVERSPEED HARNESS WAS FOUND TO BE NON-COMPLIANT WITH SAFRAN CONTAINMENT LETTER REQUES NO. 218065-26-CNT-005_V1.

---
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.
