# SDR QR9R2024042300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2024
- Submitted: April 23, 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: 09721199346
- Aircraft time: 4,090 hours
- System (JASC): [6700 · Rotorcraft Flight Control](https://openairdocs.org/jasc/6700)
- Part: Actuator
- Part number: 41800876400
- Part serial: 701982
- Condition: Failed
- Location: Sema
- Stage of operation: TX
- 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/QR9R2024042300001

## Discrepancy

BACKUP SAS FAILED, AP 2 FAILED ON AP TEST. RESTRICTED FROM FLIGHT. TESTFLIGHT EVALUATION FOUND BACKUP SAS CAUTION ON AFTER ENGINE START. AP TEST FAILS WITH ACTUATOR CAUTION ON CAD AND P CAUTION ON PFD. REMOVED AND REPLACED SEMA ACTUATOR IAW AMM 67-10-00, 4-8.MTF OKAY.

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