# SDR AALA202407296264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2024
- Submitted: July 29, 2024
- Operation: Air carrier
- Aircraft: [N951XV](https://openairdocs.org/aircraft/N951XV), registered now
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 7639
- Aircraft time: 20,088 hours, 5,192 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: Inoperative
- Location: Zone 200 - Fuse
- 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/AALA202407296264

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: BATTERY/EMERGENCY POWER SUPPLY UNIT (11WL) EXTERNAL LEFT CLASS 1 MAINTENANCE MESSAGE AFTER SYSTEM TEST. REMOVED AND REPLACED 11WL BATTERY.

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