# SDR QR9R20220909001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2022
- Submitted: September 9, 2022
- 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: 09721189342
- Aircraft time: 3,277 hours
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: None
- Part number: 42000332460
- Part serial: 5292
- Condition: Illuminated
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20220909001

## Discrepancy

DURING STARTUP THE AHRS 1 CAUTION ILLUMINATED. AVIONICS ATTEMPTED TO RESET WITH NO SUCCESS, TAKE OFF WAS ABORTED. REMOVED #1 AHRS  AND REPLACED  IAW AMM 34-22-00,4-1. T/F COMPLETE IAW AMM 34-22-00, 5-2 CHECK OK.

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