# SDR DALA1021643222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2010
- Submitted: September 8, 2010
- Operation: Air carrier
- Aircraft: N322US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 263
- Aircraft time: 57,689 hours, 25,683 cycles
- Engine: Cfmint CFM565A1
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1021643222

## Discrepancy

ENROUTE, CREW RECEIVED AN ECAM "AIR PACK 2 FAULT" WITH PACK 1 ALREADY ON MEL, FOLLOWED QRH PROCEDURES DONNED MASK AND DECLARED AN EMERGENCY FOR RAPID DESCENT TO 10,000 FT. DURING DESCENT PACK 2 RECOVERED & CABIN ALTITUDE HAD REACHED 7,000, PASSENGER MASKS DID NOT DEPLOY. ACFT DIVERTED AND LANDING WAS UNEVENTFUL. PACK 2 HAD COMPRESSOR OVERHEAT TEMPERATURE SENSOR REPLACED AND PACK 1 HAD THE FLOW CONTROL VALVE REPLACED AND TESTS OK.

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