# SDR AALA202111225626

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1425
- Aircraft time: 66,988 hours, 25,266 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2167
- Condition: Failed
- Location: Zone 200 - Fuse
- Part time: 59,181 hours, 29,060 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111225626

## Discrepancy

AIRCRAFT WAS IN BASE MAINTENANCE: PANEL FAILS EMERGENCY LIGHT SYSTEM TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202111226295), 13WL PER A321 AMM 33-51-38-0401 EMERGENCY LIGHT BUILT IN TEST EQUIPMENT TEST GOOD PER A321 AMM 33-51-00-710-001A.

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