# SDR AALA202606223316

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N508AY](https://openairdocs.org/aircraft/N508AY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3740
- Aircraft time: 57,994 hours, 22,255 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Fcu
- Condition: Warning Message
- Location: Zone 200
- Stage of operation: DE
- 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/AALA202606223316

## Discrepancy

AIRCRAFT WAS NOT GROUNDED:  AN EMERGENCY WAS DECLARED INTO DEN DUE TO REPORTING A FCU 1 FAILURE DURING ARRIVAL SEGMENT ON DESCENT. THE AIRCRAFT LANDED SAFELY AT DEN AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE RESET FCU COMPUTER, PERFORMED ALL REQUIRED GROUND TEST PER TSM 24-00-00.

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