# SDR QR9R20220323002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2022
- Submitted: March 23, 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: 09720859277
- Aircraft time: 2,536 hours
- System (JASC): [8010 · Engine Cranking](https://openairdocs.org/jasc/8010)
- Part: Switch
- Part number: 110UD01A1BB8A
- Condition: Faulty
- 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/QR9R20220323002

## Discrepancy

DURING START RUN-UP, #1 ENGINE STARTER WOULD NOT STAY ENGAGED. REPLACED START SWITCH IAW AMM 31-10-00, 8-1. MOC SUCCESSFULLY COMPLETED.

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