# SDR CALA2025080507298

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2025
- Submitted: August 5, 2025
- Operation: Air carrier
- Aircraft: [N872UA](https://openairdocs.org/aircraft/N872UA), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 1986
- Aircraft time: 59,042 hours, 36,100 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 010085
- Condition: Faulted
- Location: Zone 200
- Part time: 1,662 hours, 907 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/CALA2025080507298

## Discrepancy

EPSU UNIT EMER R FAULT REF AMM 33-51-38-400-001-A REMOVED AND REPLACED RIGHT OVERWING EXIT EPSU UNIT AND REPLACED EPSU BATTERY FAULT CLEARED OPS CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.