# SDR COMA2011080850052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2011
- Submitted: August 8, 2011
- Operation: Air carrier
- Aircraft: N971CA
- Make and model: Cndair CL6002B19
- Aircraft serial: 7145
- Aircraft time: 34,965 hours, 30,381 cycles
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- Part: Unknown
- Condition: Malfunctioned
- Location: Navigation
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA2011080850052

## Discrepancy

EN ROUTE FROM CVG TO MSP, NAV NR 1 AND NR 2 FAILED.  EMERGENCY DECLARED, A/C DIVERTED TO CID LANDED SAFELY.  TESTED NAV NR 1 AND NR 2 WITH RAMP TEST, TEST SET IFR 4000.  NO DEFECTS NOTED.

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