# SDR COMA0560227

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2005
- Submitted: April 4, 2005
- Operation: Air carrier
- Aircraft: [N804CA](https://openairdocs.org/aircraft/N804CA), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7352
- Aircraft time: 14,314 hours, 12,226 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Priority Valve
- Part number: 4622
- Part serial: 1092
- Condition: Faulty
- Location: Nlg
- Part time: 10,694 hours, 8,522 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0560227

## Discrepancy

FLIGHT 5742 AFTER TAKEOFF THE NLG WOULD NOT RETRACT, LANDING GEAR DISAGREE WARNING MESSAGE DISPLAYED, AIRCRAFT RETURNED TO THE FIELD.  REPLACED THE NLG PRIORITY VALVE.

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