# SDR AALA202311107876

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2023
- Submitted: November 11, 2023
- Operation: Air carrier
- Aircraft: [N510UW](https://openairdocs.org/aircraft/N510UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 3858
- Aircraft time: 49,676 hours, 18,753 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146220
- Part serial: 2001
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 85,934 hours, 17,506 cycles
- 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/AALA202311107876

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE?: EMERGENCY LIGHT OPS CHECK FAILED IAW P.S. CHECK STEP 26. CODE EPSU (12WL) EXT R-CLASS 1. REMOVED AND REPLACED BOTH POWER SUPPLY (AALA202311107876) AND BATTERY (AALA202311105601).

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