# SDR AALA202310066289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2023
- Submitted: October 6, 2023
- Operation: Air carrier
- Aircraft: [N150UW](https://openairdocs.org/aircraft/N150UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 5504
- Aircraft time: 32,489 hours, 13,390 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Condition: No Test
- 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/AALA202310066289

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT AT 11WL BATTERY FAILED EMERGENCY POWER SUPPLY UNIT SYSTEM TEST. REPLACED BATTERY OF THE EMERGENCY POWER SUPPLY UNIT AT 11WL.

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