# SDR NSVA201091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2010
- Submitted: June 10, 2010
- Operation: Air carrier
- Aircraft: N237MJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B237
- Aircraft time: 40,336 hours, 44,837 cycles
- System (JASC): [3410 · Flight Environment Data](https://openairdocs.org/jasc/3410)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CL
- 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/NSVA201091

## Discrepancy

ON INITIAL CLIMBOUT CREW NOTICED DUAL NAV FAILURE.  CREW REQUESTED VECTORS BACK TO IAD AND LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE IS LOOKING INTO THE ISSUE NOW.  SWAPPED DCP LT TO RT, OPS CHECK GOOD

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