# SDR CALA2013111893020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2013
- Submitted: November 19, 2013
- 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: 37,605 hours, 16,500 cycles
- Engine: Iae V2527A5
- System (JASC): [3810 · Potable Water System](https://openairdocs.org/jasc/3810)
- Part: Relief Valve
- Condition: Noisy
- Location: Galley
- Stage of operation: IN
- 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/CALA2013111893020

## Discrepancy

AFT GALLEY MAKING A VERY LOUD CHATTER NOISE APU RUNNING & BLEED ON.  DETERMINED TO BE AIR RELIEF VLV BEHIND AFT GALLEY COFFEEMAKER.  ACCOMPLISHED BLEED PROCEDURE IAW MT 38-005, NOISE STOPPED.

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