# SDR UALA2011031701300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2011
- Submitted: March 22, 2011
- Operation: Air carrier
- Aircraft: [N497UA](https://openairdocs.org/aircraft/N497UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1847
- Aircraft time: 28,451 hours, 12,759 cycles
- Engine: Iae V2527A5
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Computer
- Part number: 87292325V06
- Part serial: 1011
- Condition: Faulty
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011031701300

## Discrepancy

VENT SKIN VLV FAULT, RTFL.  SKIN AIR VALVE FAULT.  INLET FULL OPEN EXTRACT FULL CLOSED.  ALSO LOUD HUM IN COCKPIT.  SAMC TEXT: CFDS SHOWS "CHK AEVC SUPPLY" AND SKIN AIR VALVE FAULT.  FOUND A CIRCUIT BREAKER ON VU49 (D5)FOR THE AEVC COMPUTER POPPED.  REPLACED COMPUTER & PERFORMED MCDU GD TEST.  TEST PASSED.

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