# SDR SIMA20150122001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2015
- Submitted: January 26, 2015
- Operation: Air carrier
- Aircraft: [N546FF](https://openairdocs.org/aircraft/N546FF), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10326
- Aircraft time: 10,683 hours, 6,946 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Valve
- Part number: 9752753
- Condition: Failed
- Location: Mlg
- 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/SIMA20150122001

## Discrepancy

DURING GEAR RETRACTION,  CREW HEARD A RUMBLING NOISE FROM THE NOSE AREA & RECEIVED GEAR DISAGREE WARNING.  CREW COMPLIED WITH AOM VOL 1 PROCEDURES, DECLARED AN EMERGENCY & RETURNED WITHOUT INCIDENT.   R & R NR 3 PRIORITY BALANCED RELIEF VALVE IAW AMM 29-12-05.  OPS CHECKED GOOD IAW AMM 29-12-05.  GEAR EXTENSION & RETRACTION GOOD IAW AMM 32-30-00.

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