# SDR USAA2009050491062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2009
- Submitted: May 4, 2009
- Operation: Air carrier
- Aircraft: [N642AW](https://openairdocs.org/aircraft/N642AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 584
- Aircraft time: 49,114 hours, 19,200 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Failed
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: J, M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009050491062

## Discrepancy

FLT 320 LAS-ORD - DIVERSION - BOTH A/C PACKS FAULTED / OVERHEATED AT FL 370.  DESCENDED TO FL 210 AND BOTH PACKS COOLED ENOUGH TO TURN BACK ON.  BOTH PACKS STABILIZED AT HI FLOW/ 170 C.  ENGINE HP BLEED ON ALMOST CONSTANTLY EXCEPT IN DESCENT.  AIRCRAFT DIVERTED TO PHX.   MAINTENANCE FOUND NR 1 PACK PLENUM CHAMBER INNER CHAMBER TORN APART.  REPLACED IAW AIRBUS MAINTENANCE MANUAL 21-52-22.

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