# SDR QR9R2024091900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2024
- Submitted: September 19, 2024
- 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: 06720059109
- Aircraft time: 4,907 hours
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Module
- Part number: 41600297204
- Part serial: 924
- Condition: Faulted
- Location: Autopilot
- Stage of operation: TO
- How discovered: V
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2024091900001

## Discrepancy

ABORTED TAKEOFF. YAW ACTUATOR FAIL WITH AP2. DURING TROUBLESHOOTING, FOUND APM2 BAD AFTER SWAPPING AP MODULES. REMOVED AND REPLACED APM2 IAW AMM 22-10-00, 4-1.

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