# SDR CALA2026031814647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2026
- Submitted: March 18, 2026
- Operation: Air carrier
- Aircraft: [N441UA](https://openairdocs.org/aircraft/N441UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 751
- Aircraft time: 83,187 hours, 34,791 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 2261
- Condition: No Test
- Location: Zone 200
- Part time: 724,306 hours, 711,735 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: J, L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026031814647

## Discrepancy

AFT EPSU FAULT LIGHT, UNIT FAULT.   AFT EPSU R & R IAW TASK 33-51-38-000-002-A, OPS CHK GOOD.

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