# SDR UALA2013031801605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2013
- Submitted: April 17, 2013
- Operation: Air carrier
- Aircraft: [N819UA](https://openairdocs.org/aircraft/N819UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 893
- Aircraft time: 49,073 hours, 19,627 cycles
- Engine: Iae V2522A5
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Amu
- Part number: AMU2790CB04
- Part serial: 83
- Condition: Faulty
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013031801605

## Discrepancy

SELCAL CHIME RUNS CONTINUOUSLY WILL NOT SILENCE.  REPLACE AUDIO MGMT UNIT, REF AMM DUE TO REPEATED FAILURES.  REPLACED AMU PER AMM.  OPS CHECK NORMAL.

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