# SDR F3LA202602090358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2026
- Submitted: February 9, 2026
- Operation: Air carrier
- Aircraft: [N381FR](https://openairdocs.org/aircraft/N381FR), registered now
- Make and model: Airbus A320-251N
- Registry model: [Airbus A320-251N](https://openairdocs.org/model/airbus-a320-251n) (OpenAirDocs)
- Aircraft serial: 10544
- Aircraft time: 14,987 hours, 7,123 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 176179
- Condition: Faulted
- Location: Zone 200
- Part time: 14,987 hours, 7,123 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/F3LA202602090358

## Discrepancy

REFERENCE LP571528 #3 DURING ENGINE 1 CHANGE EPSU UNIT 11WL FWD LEFT FAILED EPSU SYSTEM TEST. A/C WAS NOT GROUNDED.   REMOVED AND REPLACED EPSU ASSY 11WL FWD. OPS CHECK GOOD. REF AMM 33-51-38-000-001-A/33-51-38-400-001-A. OK FOR SERVICE. /END/.

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