# SDR AALA201512099002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2015
- Submitted: December 10, 2015
- Operation: Air carrier
- Aircraft: [N523UW](https://openairdocs.org/aircraft/N523UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3960
- Aircraft time: 24,140 hours, 8,316 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Part number: 1809A000001
- Part serial: 1809A00IN003703
- Condition: Overheated
- Location: Ac Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: J, B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201512099002

## Discrepancy

AIRCRAFT WAS GNDED.  PACK 1 OVERHEATS 10 MINUTES INTO FLIGHT, TRIED TO RESET, OVERHEAT REOCCURRED.  BEGAN TO SMOKE, LT PACK 1 REMAINED OFF FOR REMAINDER OF FLIGHT.  REPLACED NR 1 PACK AIR INLET ACTUATOR AS REQUIRED IAW AMM 21-61-51.  ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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