# SDR HNAA2013041000216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 10, 2013
- Submitted: April 10, 2013
- Operation: Air carrier
- Aircraft: N912HA
- Make and model: Dhav DHC8102
- Aircraft serial: 040
- Aircraft time: 68,143 hours, 77,144 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Condition: Malfunctioned
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2013041000216

## Discrepancy

SELECTED GEAR DOWN ON APPROACH.  LT MAIN UNSAFE LIGHT ILLUMINATED AND PASSENGER REPORTED LT GEAR NOT EXTENDED.  EXECUTED GO AROUND AND GEAR EXTENDED ON ITS OWN AFTER APPROX 5 MINUTES.  R & R GEAR SELECTOR VALVE WC 32-30-41.  NO FIX. R & R UPLOCK ACTUATOR AND SURGE DAMPER IN THE 1 GEAR WELL IAW MM 32-30-26.  CYCLED GEAR MANY TIMES. OPS CHECKED GOOD.

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