# SDR 04282621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2004
- Submitted: October 11, 2004
- Operation: Air carrier
- Aircraft: N621BR
- Make and model: Cndair CL6002B19
- Aircraft serial: 7186
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Priority Valve
- Part number: 750006000
- Part serial: 1475
- Condition: Malfunctioned
- Location: Nlg
- 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/04282621

## Discrepancy

AIR RETURN FOR GEAR DISAGREE MESSAGE AFTER TAKEOFF.  NOSE GEAR NEVER SHOWED UP AND LOCKED.  MX REMOVED AND REPLACED NLG PRIORITY VALVE IAW CRJ 32-33-45.  REMOVED AND REPLACED NLG DOOR SELECTOR VALVE IAW CRJ 33-22-20.  PERFORMED GEAR SWINGS IAW 32-30-00.  OPS CHECK GOOD.

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