# SDR AALA202503119620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2025
- Submitted: March 11, 2025
- Operation: Air carrier
- Aircraft: [N165US](https://openairdocs.org/aircraft/N165US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1431
- Aircraft time: 75,802 hours, 29,457 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Speaker
- Condition: Inoperative
- Location: Zone 800
- 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/AALA202503119620

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L4 EVACUATION HORN INOPERATIVE REPLACED L4 EVACUATION HORN / LOUD SPEAKER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 23-73-51-400-002-A.

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