# SDR A6WA201543408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2015
- Submitted: December 28, 2015
- Operation: Air carrier
- Aircraft: [N421ZW](https://openairdocs.org/aircraft/N421ZW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7346
- Aircraft time: 36,842 hours, 34,840 cycles
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Selector Valve
- Condition: Malfunctioned
- Location: Mlg
- 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/A6WA201543408

## Discrepancy

GEAR DISAGREE NOSE DOWN, MAINS BOTH UP & LOCKED.  PERFORMED QRH CYCLED GEAR HANDLE 2 TIMES, REPEATS.  PULLED MANUAL GEAR RELEASE HANDLE, ALL GEAR DOWN & LOCKED.  THE INITIAL WARNING WAS 6 SECONDS AFTER GEAR WAS ELECTED DOWN.  NO INDICATION OF ANY ISSUES IN NR 3 HYD.  EMER WAS DECLARED.  REPLACED MLG SELECTOR VLV IAW AMM 32-32-10.  LEAK & OPERATIONS CHECKED GOOD AT THIS TIME.

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