# SDR UALA2011111606288

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2011
- Submitted: December 8, 2011
- Operation: Air carrier
- Aircraft: [N831UA](https://openairdocs.org/aircraft/N831UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1291
- Aircraft time: 39,021 hours, 15,715 cycles
- Engine: Iae V2522A5
- System (JASC): [2530 · Buffet/Galleys](https://openairdocs.org/jasc/2530)
- Part: Drain Line
- Condition: Faulty
- Location: Galley
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011111606288

## Discrepancy

PRESSURE SQUEAL COMING FROM FWD GALLEY CHILLER DRAIN HOSE, BEHIND ACCESS PANEL (REMOVED) JUST BELOW FWD GALLEY CHILLER.  SQUEAL STARTS WHEN HULL IS PRESSURIZED TO 5.2 DIFFERENTIAL PRESSURE.  REPLACED 2 EACH HOSES BY GALLEY CHILLER DRAIN.  PRESSURIZED CABIN UP TO 4.0.  NO LEAKS NOTED.

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