# SDR QR9R2023071300001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2023
- Submitted: July 13, 2023
- 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: 08720819260
- Aircraft time: 3,768 hours
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Unknown
- Part number: 0110106000
- Part serial: 23428100
- Condition: Unserviceable
- Location: Unknown
- 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/QR9R2023071300001

## Discrepancy

AN OPERATIONAL CHECK REVEALED THE GNS430W WOULD NOT TRACK SATELLITES. REMOVED AND REPLACED GNS430W IAW CMM VOL 4 145MMS-023. MOC SUCCESSFULLY COMPLETED.

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