# SDR AALA202607104510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2026
- Submitted: July 10, 2026
- Operation: Air carrier
- Aircraft: [N169UW](https://openairdocs.org/aircraft/N169UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1455
- Aircraft time: 78,879 hours, 30,660 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: A/C Pack
- Condition: Overtemp
- Location: Zone 100
- Stage of operation: CR
- 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/AALA202607104510

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO AMA DUE TO THE FLIGHT CREW REPORTING AN FWS SDAC 1 FAULT ECAM APPEARED MULTIPLE TIMES DURING FLIGHT FOLLOWED BY MULTIPLE INTERMITTENT ECAM HYD G RES OVERHEAT, AIR PACK 1 OVERHEAT, AIR PACK 2 OVERHEAT. TEN MINUTES LATER MASTER WARNING AND CHIME WITH RED LAND ASAP APPEARED THEN WENT AWAY. THE AIRCRAFT LANDED SAFELY AT AMA WITHOUT FURTHER INCIDENT. MAINTENANCE SWAPPED SDAC 1 WITH SDAC 2 AND PLACED THE #2 SYSTEM ON MEL.

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