# SDR AALA201512289003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2015
- Submitted: December 28, 2015
- Operation: Air carrier
- Aircraft: [N558UW](https://openairdocs.org/aircraft/N558UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5282
- Aircraft time: 11,172 hours, 4,616 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Computer
- Part number: 3945129100
- Part serial: ELACVB021555
- Condition: Defective
- Location: Zone 100
- Part time: 14,305 hours, 5,794 cycles
- Stage of operation: NR
- 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/AALA201512289003

## Discrepancy

RETURNED & ACFT WAS GNDED.  ACFT RETURNED AFTER RECEIVING A FLIGHT CONTROL ALTERNATE IAW ECAM MSG.  FLIGHT CREW DECLARED AN EMER & LANDED WITH NO INCIDENTS REPORTED.  REPLACED THE NR 1 ELAC IAW AMM 27-93-00.  PERFORMED CAT III LAND TEST IAW AMM 27-97-00.  TESTED GOOD.

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