# SDR USAA2011020190413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2011
- Submitted: February 3, 2011
- Operation: Air carrier
- Aircraft: [N626AW](https://openairdocs.org/aircraft/N626AW), registered now
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 65
- Aircraft time: 68,373 hours, 30,520 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 6730C010000
- Part serial: 03422
- Condition: Faulty
- Location: Bleed Air Sys
- Part time: 21,774 hours, 9,046 cycles
- 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/USAA2011020190413

## Discrepancy

FLT 520 - PHX - RNO - FL380, CREW RECEIVED ECAM INDICATION FOR NR 2 ENGINE AIR BLEED FAULT.   PILOT OPENED CROSS BLEED VALVE WHICH RESULTED IN NR 1 BLEED FAULT CAUSING BOTH PACKS TO FAIL.  CABIN PRESSURE CLIMBING 500'/MIN.  DESCENDED TO 12000' WITH BOTH BLEED VALVES SHOWING CLOSED.  PUT CROSS BLEED BACK TO AUTO RESTORING NR 2 ENGINE BLEED AND PRESSURIZATION.  ECAM INDICATED 'CAB PRESS SYS 2' FAULT.  CREW DECLARED AN EMERGENCY INTO RNO AND LANDED WITHOUT INCIDENT.  MAINTENANCE REPLACED NR 1 AND NR 2 ENGINE FAN AIR VALVES AND BOTH TEMPERATURE CONTROL THERMOSTATS.

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