# SDR CALA2014012090182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2014
- Submitted: January 20, 2014
- Operation: Air carrier
- Aircraft: [N447UA](https://openairdocs.org/aircraft/N447UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 836
- Aircraft time: 52,510 hours, 21,201 cycles
- Engine: Iae V2527A5
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Selector Valve
- Condition: Failed
- Location: Landing Gear
- Stage of operation: DE
- 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/CALA2014012090182

## Discrepancy

ON DESCENT, FLIGHT ATTEMPTED TO LOWER GEAR, BUT RECEIVED 3 RED LIGHTS.  FLIGHT EXECUTED A FLY-BY & DECLARED AN EMERGENCY.  CREW USED ALTERNATE GEAR EXTENSION PROCEDURES & LOWERED GEAR.  FLIGHT LANDED SAFELY. ACCOMPLISHED NON-RII INSPECTION OF AMIS ITEM 5102002, TROUBLESHOT SYS IAW TS M32-31-00. FOUND LG SELECTOR VLV TO BE FAILED.  R & R LG SELECTOR VLV IAW AMM 32-31-12.  SYS CHECKED GOOD, GEAR SWING SUCCESSFUL IAW AMM 32-31-30.  LEAK CHECKED GOOD, OK TO CONTINUE. COMPLIED WITH IDT INSP.

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