# SDR COMA0760334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2007
- Submitted: April 27, 2007
- Operation: Air carrier
- Aircraft: [N659BR](https://openairdocs.org/aircraft/N659BR), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7509
- Aircraft time: 11,451 hours, 9,928 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Priority Valve
- Part number: 46193
- Part serial: 698
- Condition: Faulty
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0760334

## Discrepancy

FLIGHT 4984 - ON APPROACH RECEIVED GEAR DISAGREE WARNING MESSAGE.  RAN QRH.  LANDED CVG WITHOUT INCIDENT.  REPLACED NLG PRIORITY VALVE.  PROBLEM PERSISTED.  REPLACED MLG PRIORITY VALVE.  NO FURTHER DEFECTS.

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