# SDR AALA201811159019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2018
- Submitted: November 15, 2018
- Operation: Air carrier
- Aircraft: [N152UW](https://openairdocs.org/aircraft/N152UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5588
- Aircraft time: 19,252 hours, 7,633 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 2333
- Condition: Faulted
- Location: Cabin
- 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/AALA201811159019

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING TEST OF EMERGENCY LIGHTS FOUND EMERGENCY POWER SUPPLY UNIT (14WL) FAULTING. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38 AND PERFORMED SATISFACTORY OPERATIONAL CHECK.

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