# SDR AALA202201216651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2022
- Submitted: January 21, 2022
- Operation: Air carrier
- Aircraft: [N189UW](https://openairdocs.org/aircraft/N189UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1425
- Aircraft time: 67,227 hours, 25,361 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2249
- Condition: No Test
- Location: Zone 200 - Fuse
- Part time: 66,016 hours, 24,909 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/AALA202201216651

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT EMERGENCY POWER SUPPLY UNIT (POSITION 12WL) AT R3 DOOR WILL NOT TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT AT POSITION 12WL PER AMM 33-51-38 PAGE BLOCK 0401.

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