# SDR AALA202009199012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2020
- Submitted: September 22, 2020
- Operation: Air carrier
- Aircraft: [N104UW](https://openairdocs.org/aircraft/N104UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 0863
- Aircraft time: 56,379 hours, 32,806 cycles
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Decoder
- Condition: Inoperative
- Location: Interphone Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202009199012

## Discrepancy

AIRCRAFT WAS GROUNDED: EVALUATION COMMAND HORN SOUNDED CONTINUOUSLY IN THE COCKPIT AND CABIN.  COULDN'T COMMUNICATE WITH CABIN USING THE INTERPHONE SYSTEM.  REMOVED AND REPLACED DECODER UNIT, REF AMM 23-73-00.

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