# SDR QR9R2025100900002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2025
- Submitted: October 9, 2025
- 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: 9824
- Aircraft time: 3,445 hours
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Indicator
- Part number: 501184501
- Part serial: 1482
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025100900002

## Discrepancy

DURING START RUNUP, STBY ATTITUDE INDICATOR WOULD NOT POWER ON.  REMOVED AND REPLACED HORIZON INDICATOR IAW AMM 34-24-00, 4-1; MOC SUCCESSFULLY COMPLETED.

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