# SDR QR9R20220323001

- 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: 15723919771
- Aircraft time: 2,605 hours
- System (JASC): [3000 · Ice/Rain Protection System](https://openairdocs.org/jasc/3000)
- Part: Gearbox
- Part number: B304M1008101
- Condition: Inoperative
- Stage of operation: CR
- How discovered: V
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20220323001

## Discrepancy

DURING FLIGHT, WINDSHIELD WIPER BECAME INOPERABLE. REPLACED GEAR BOX ASSY IAW AMM 30-40-00, 4-4.

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