# SDR UALA2013042903004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2013
- Submitted: May 22, 2013
- Operation: Air carrier
- Aircraft: [N433UA](https://openairdocs.org/aircraft/N433UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 589
- Aircraft time: 58,284 hours, 21,883 cycles
- Engine: Iae V2527A5
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Regulator Valve
- Part number: B17CA1042
- Part serial: 40
- Condition: Inoperative
- Location: Cargo Heat
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013042903004

## Discrepancy

UNABLE TO ADJUST TEMP IN AFT CARGO BAY.  REPLACED TRIM VALVE AND PRESSURE REGULATING VALVE, OPS CHECKED.

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