# SDR AALA202508014332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2025
- Submitted: August 1, 2025
- Operation: Air carrier
- Aircraft: [N927UW](https://openairdocs.org/aircraft/N927UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6625
- Aircraft time: 33,285 hours, 13,504 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Part number: 9105A000502
- Condition: Defective
- Location: Temp
- Stage of operation: CR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202508014332

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO THE FLIGHT CREW REPORTING THAT THE FLIGHT DECK AIR TEMP ROSE OVER 100 DEGREES F WITH WARM AIR BLOWING FROM VENT. THE AIRCRAFT LANDED SAFELY AT CLT WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT HAND PACK COMPRESSOR TEMPERATURE SENSOR 12HH PER AMM 21-61-11 (AALA202508014332) AND THE FLIGHT DECK TEMPERATURE SENSOR 21HK PER AMM 21-63-17. (AALA202508019046) A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO DEFECTS NOTED.

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