# SDR 2007UALA05239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 23, 2007
- Submitted: December 28, 2007
- Operation: Air carrier
- Aircraft: N424UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 506
- Aircraft time: 45,249 hours, 16,139 cycles
- Engine: Iae V2527A5
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Control Unit
- Part number: 664700500A4C
- Condition: Faulty
- Location: Nr 1
- Stage of operation: AP
- How discovered: O
- Nature of condition: J, W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA05239

## Discrepancy

LANDING GEAR DID NOT EXTEND WHEN HANDLE LOWERED, GOT ECAM WARNING.  GEAR LOWERED AFTER 45 SECONDS.  TROUBLE SHOOTING FAULTED LGCIU 1 F120.  REPLACED LGCIU1.

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