# SDR AALA202111228602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2021
- Submitted: November 22, 2021
- Operation: Air carrier
- Aircraft: [N118NN](https://openairdocs.org/aircraft/N118NN), registered now
- Make and model: Airbus A300*
- Aircraft serial: 6162
- Aircraft time: 23,521 hours, 6,790 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Failed
- 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/AALA202111228602

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL FAILED TEST. CIDS FAIL MESSAGE. REPLACED POWER SUPPLY UNIT PER AMM 33-51-38.

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