# SDR CALA2013121893772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2013
- Submitted: December 19, 2013
- Operation: Air carrier
- Aircraft: N424UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 506
- Aircraft time: 64,537 hours, 24,181 cycles
- Engine: Iae V2527A5
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Control Panel
- Part number: ACP2788AB04
- Part serial: 319
- Condition: Faulty
- Location: Cockpit
- 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/CALA2013121893772

## Discrepancy

CAPTAIN`S SIDE FLT INTERPHONE TRANSMITS BUT DOES NOT RECEIVE ON SPEAKER OR HEADSET.   REPLACED CAPTAIN'S ACP AND AMU, GND TESTED NORMAL.

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