# SDR QR9R2025090300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2025
- Submitted: September 3, 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: 9165
- Aircraft time: 4,038 hours
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: C19267ZG12
- Part serial: 5669
- Condition: Failed
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: F
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R2025090300001

## Discrepancy

DURING START RUNUP, PILOT'S NAV DISPLAY WOULD NOT DISPLAY. REMOVED AND REPLACED NAV DISPLAY IAW AMM 31-61-00, 4-2. MOC SUCCESSFULLY COMPLETED.

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