# SDR QR9R20211227006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2021
- Submitted: December 27, 2021
- 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: 06720079116
- Aircraft time: 4,234 hours
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: None
- Part number: C19267ZG12
- Part serial: 2540
- Condition: Displayed
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QR9R20211227006

## Discrepancy

#1 NAV DISPLAY INOP DURING RUN-UP. REMOVED COPILOT NAVIGATION DISPLAY AND REPLACED IAW AMM 31-61-00, 4-2. FUNCTIONAL TEST COMPLETED IAW AMM 31-61-00, 5-3.

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