# SDR AALA202307144497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2023
- Submitted: July 14, 2023
- Operation: Air carrier
- Aircraft: [N992AU](https://openairdocs.org/aircraft/N992AU), registered now
- Make and model: Airbus A320*
- Aircraft serial: 7157
- Aircraft time: 19,901 hours, 7,715 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- 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/AALA202307144497

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT BATTERY FAULT IN  EMERGENCY POWER SUPPLY UNIT 15WL. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY.

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