# SDR DALA2025121109054

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2025
- Submitted: December 11, 2025
- Operation: Air carrier
- Aircraft: [N385DZ](https://openairdocs.org/aircraft/N385DZ), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8975
- Aircraft time: 20,488 hours, 8,729 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Zone 200
- 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/DALA2025121109054

## Discrepancy

WHILE CONDUCTING EMERGENCY LIGHT TEST, FOUND FAULT EPSU (15WL) MID L.   FOUND RECEPTACLE DAMAGED/SHORTED AT 7260VC2 CAUSING EPSU AT 15WL TO BLOW INTERNAL FUSE. REPLACED EPSU 14WL PER A321 AMM 33-51-38. CHECKS NORMAL.  REPLACED RECEPTACLE 726OVC2.  REPLACED EPSU 15WL PER AMM 33-51-38. CHECKS NORMAL. (LP 8030541)

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