# SDR COMA0470006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2004
- Submitted: January 14, 2004
- Operation: Air carrier
- Aircraft: [N391CA](https://openairdocs.org/aircraft/N391CA), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10108
- Aircraft time: 1,266 hours, 947 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 533405
- Part serial: NGL113602
- Condition: Malfunctioned
- Location: Mlg
- Part time: 1,297 hours, 976 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J, S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0470006

## Discrepancy

FLIGHT 5520 NR 3 HYDRAULIC SYSTEM LOW PRESSURE AND GEAR DISAGREE WARNING.  REPLACED THE L/G SELECTOR VALVE.

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