# SDR AALA202407020017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2024
- Submitted: July 2, 2024
- Operation: Air carrier
- Aircraft: [N152AA](https://openairdocs.org/aircraft/N152AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6887
- Aircraft time: 25,828 hours, 10,252 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: UNKNOWN
- Condition: Faulty
- Location: Emergency Lights
- 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/AALA202407020017

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING BUILT IN TEST EQUIPMENT TEST OF THE EMERGENCY POWER SUPPLY UNIT FOR L2 SLIDE REPLACEMENT FOUND 11WL EMERGENCY POWER SUPPLY UNIT BATTERY FAULTED. REPLACED 11WL EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.

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