# SDR QR9R2025080100002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2025
- Submitted: August 1, 2025
- 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: 9707
- Aircraft time: 4,748 hours
- System (JASC): [3130 · Data Recorders (Flight/Maintenance)](https://openairdocs.org/jasc/3130)
- Part: Recorder
- Part number: 5001610311
- Part serial: 001087897
- Condition: Over Voltage
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025080100002

## Discrepancy

ACFT SLAB BATTERY MUST BE DISCONNECTED WHEN NOT FLYING. TROUBLESHOOTING REVEALED CVFDR HAD CONSTANT DRAIN ON BATTERY. REMOVED AND REPLACED FA5001 CVFDR IAW AMM 31-32-00, 4-1.

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