# SDR QR9R2023092800001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2023
- Submitted: September 28, 2023
- 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: 15723689747
- Aircraft time: 3,296 hours
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Unknown
- Part number: 41600298360
- Part serial: 3204
- Condition: Failed
- Location: Unknown
- 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/QR9R2023092800001

## Discrepancy

AS SOON AS THE AVIONICS MASTER WAS TURNED ON THE AP BEGAN SELF-TEST, AND IT COULD NOT BE INTERRUPTED. MX CYCLED CIRCUIT BREAKERS AND POWER WITH SAME RESULT. REMOVED AND REPLACED APMS2360; TEST FLIGHT SUCCESSFULLY COMPLETED; NO FAULTS NOTED.

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