# SDR CALA2026102620588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2026
- Submitted: October 27, 2026
- Operation: Air carrier
- Aircraft: [N874UA](https://openairdocs.org/aircraft/N874UA), registered now
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 2008
- Aircraft time: 61,430 hours, 37,333 cycles
- Engine: Iae V2524A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: No Test
- 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/CALA2026102620588

## Discrepancy

EMERGENCY BITE TEST FAIL, EPSU BATTERY FWD L FAULT ACTIVE.  PERFORMED OPERATIONAL CHECK OF THE EPSU AND BITE CHECK REF TSM 33-51-00-810-802-A TEST PASS FAULT NOT.LONGER ACTIVE.

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