# SDR AALA202503069398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2025
- Submitted: March 6, 2025
- Operation: Air carrier
- Aircraft: [N163US](https://openairdocs.org/aircraft/N163US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1417
- Aircraft time: 75,667 hours, 29,474 cycles
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Speaker
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202503069398

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: NO EVACUATION ALARM AT DOOR 3. MAINTENANCE ACCOMPLISHED AN OPERATIONAL TEST OF THE LOUD SPEAKER SYSTEM PER AMM 23-73-51 AND THE SPEAKER AT DOOR 3L FAILED THE TEST. MAINTENANCE REPLACED THE SPEAKER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY EVACUATION SIGNALING SYSTEM PER AMM 23-73-00-710-026-A WITH NO ISSUES NOTED.

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