# SDR SWIA201332536

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2013
- Submitted: January 11, 2013
- Operation: Air carrier
- Aircraft: [N446SW](https://openairdocs.org/aircraft/N446SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7666
- Aircraft time: 25,537 hours, 20,359 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Bypass Valve
- Condition: Failed
- Location: Mlg
- Stage of operation: DE
- 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/SWIA201332536

## Discrepancy

SELECTED THE GEAR HANDLE DOWN AND BOTH MAINS STAYED UP AND RECEIVED A GEAR DISAGREE.  RAN QRH GEAR STAYED DOWN AND LOCKED WITH MANUAL EXTENSION.  (FLT 4576)  REPLACED MLG RUN AROUND AND BYPASS VALVE ASSEMBLY IAW AMM.  P/N: 750004000-003  S/N ON: 328A  S/N OFF: 797A, P/N: 750005000  S/N ON: 0994  S/N OFF: 0021

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