# SDR QR9R2026082600002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2026
- Submitted: August 26, 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: 9116
- Aircraft time: 5,866 hours
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Ahrs
- Part number: 2615001230460
- Part serial: 5611
- Condition: Failed
- Location: Zone 200
- Stage of operation: HO
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2026082600002

## Discrepancy

AHRS FAIL FLT 1. TEST FLIGHT EVAL FOUND AHRS DISC APPEARED MULTIPLE TIMES DURING A 0.2 HOVER FLIGHT. OTHER INDICATIONS WERE AS FOLLOWS: "Y","R", AND "P" IN AMBER ON BOTH PFDS, AND "ROLRAT DIS" ON LANE 2 SCROLL PAGE. ALL OTHER INDICATIONS APPEARED NORMAL WITH THE FLIGHT INSTRUMENTS DISPLAY OF INFORMATION. REMOVED AND REPLACED #1 AHRS IAW 34-22-00, 4-1. FUNCTIONAL TEST SUCCESSFULLY COMPLETED.

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