# SDR 9501259961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N924RW
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47185
- System (JASC): [3454 · Visual Omnirange (VOR) System](https://openairdocs.org/jasc/3454)
- Part: Nav Receivers
- Condition: Malfunctioned
- Location: Nr 1/2
- Stage of operation: AP
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9501259961

## Discrepancy

LOSS OF NR 1 VHF NAV OCCURRED ON APPROACH INTO BIS.  CIRCUIT BREAKER POPPED AND WOULD NOT RESET.  FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT.  REPLACED RADIO NAV SWITCHING UNIT AND BOTH NR 1 AND NR 2 NAV RECEIVERS.  OPERATIONAL CHECK OK.  AIRCRAFT RETURNED TO SERVICE.

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