# SDR 4508912172004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2004
- Submitted: January 7, 2005
- Operation: Air carrier
- Aircraft: [N406FX](https://openairdocs.org/aircraft/N406FX), registered now
- Make and model: Lear 45LEAR
- Aircraft serial: 089
- Aircraft time: 3,910 hours, 2,928 cycles
- System (JASC): [3220 · Nose/Tail Landing Gear](https://openairdocs.org/jasc/3220)
- Part: Valve
- Part number: 6632302001003
- Condition: Faulty
- Location: Nlg
- Part time: 3,910 hours, 2,928 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4508912172004

## Discrepancy

NOSE GEAR REMAINED UP ON FIRST 4 CYCLES OF THE GEAR HANDLE THEN LOWERED NORMALLY ON 5TH ATTEMPT.  MAINTENANCE REPLACED THE LANDING GEAR CONTROL VALVE.  OPS CHECK NORMAL.  NO DEFECTS NOTED AND NO RE-OCCURRENCE

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