# SDR AALA202311019644

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2023
- Submitted: November 1, 2023
- Operation: Air carrier
- Aircraft: [N156UW](https://openairdocs.org/aircraft/N156UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 5684
- Aircraft time: 30,782 hours, 12,639 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 142875
- Condition: Faulty
- Location: Zone 200 - Fuse
- Part time: 30,781 hours, 12,639 cycles
- 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/AALA202311019644

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAULTED DURING OPERATIONAL CHECK. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL PER AMM 33-51-38.

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