# SDR AALA202110204646

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2021
- Submitted: October 20, 2021
- Operation: Air carrier
- Aircraft: [N163US](https://openairdocs.org/aircraft/N163US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1417
- Aircraft time: 66,233 hours, 25,253 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145510
- Part serial: 2201
- Condition: Inoperative
- Location: Zone 200 - Fuse
- Part time: 44,546 hours, 16,351 cycles
- Stage of operation: NR
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202110204646

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: L3 ESCAPE SLIDE LIGHTING INOPERATIVE. ** SUPPLEMENTAL REPORT FOR AALA202110194646: ACCOMPLISHED TSM 33-51-00 AND FOUND EMERGENCY POWER SUPPLY UNIT 11WL AT FAULT. REPLACED EMERGENCY POWER SUPPLY UNIT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. WILL BE SUBMITTED** (CLOSED)

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