# SDR AALA202607147233

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2026
- Submitted: July 15, 2026
- 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: 42,294 hours, 17,601 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Unit
- Part number: C12850AC03
- Part serial: C12850015507
- Condition: Defective
- Location: Zone 200
- Part time: 14,472 hours, 6,310 cycles
- 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/AALA202607147233

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO FLL DUE TO THE FLIGHT CREW REPORTING AN AUTO FLT AP OFF AND AUTO FLT A/THR OFF ECAM MESSAGE AROUND 600FT NAV WENT TO HDG AROUND 400. THE AIRCRAFT LANDED SAFELY AT FLL WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FLIGHT CONTROL UNIT 2CA PER AMM 22-81-12 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.