# SDR DXTA2016011806165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2016
- Submitted: January 20, 2016
- Operation: Air carrier
- Aircraft: [N966QS](https://openairdocs.org/aircraft/N966QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500166
- Aircraft time: 12,697 hours, 7,790 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Cdu
- Part number: 7007519901
- Part serial: 00114171
- Condition: Failed
- Location: Nr 1
- Part time: 1,024 hours, 678 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2016011806165

## Discrepancy

IN FLIGHT THE NR 1 FMS SCREEN FAILED, FOLLOWED BY THE AMBER LATERAL MODE OFF CAS MESSAGE.  FOR THE NEXT FEW MINUTES THERE WAS A MUSTY ODOR IN THE COCKPIT THAT DISSIPATED.  REMOVED AND REPLACED THE CDU .  PERFORMED A SATISFACTORY OPERATIONS CHECK.  WORK DONE LAW AMM 34-60-01.  NO FURTHER DEFECTS NOTED.

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