# SDR 2004UALA00202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2004
- Submitted: March 16, 2004
- Operation: Air carrier
- Aircraft: [N840UA](https://openairdocs.org/aircraft/N840UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1522
- Aircraft time: 9,164 hours, 3,739 cycles
- Engine: Iae V2522A5
- System (JASC): [3213 · Main Landing Gear Strut/Axle/Truck](https://openairdocs.org/jasc/3213)
- Part: Shock Absorber
- Condition: Failed
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00202

## Discrepancy

RETURN TO FIELD DUE TO FAILURE OF LANDING GEAR TO RETRACT.  LANDING GEAR SHOCK ABSORBER FAULT. LANDING GEAR CONTROL INTERFACE UNIT (LGCIU) FAILED.  THE LGCIU COMPONENT EXPERIENCED A HARD FAILURE DURING OUTPUT TESTS.  REPLACED LGCIU. OPERATIONS CHECK NORMAL.

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