# SDR AALA201606279001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2016
- Submitted: June 27, 2016
- Operation: Air carrier
- Aircraft: [N534UW](https://openairdocs.org/aircraft/N534UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3989
- Aircraft time: 25,619 hours, 8,926 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Interface Unit
- Part number: 664700500A4D
- Part serial: 001LG12660
- Condition: Faulted
- Location: Zone 100
- Part time: 25,619 hours, 8,926 cycles
- Stage of operation: NR
- 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/AALA201606279001

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT AN LGCIU 1 FAULT MESSAGE OCCURRED AND REQUESTED EMERGENCY EQUIPMENT BE STANDING BY.  THE AIRCRAFT LANDED SAFELY AND MAINTENANCE REPLACED THE NR 1 LANDING GEAR CONTROL INTERFACE UNIT, LGCIU, IAW AMM 32-31-71-400-001-A.  A SATISFACTORY OPS CHECK WAS ACCOMPLISHED.

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