# SDR WX0A2026030932751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2026
- Submitted: March 10, 2026
- Operation: Air carrier
- Aircraft: [N290NV](https://openairdocs.org/aircraft/N290NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2191
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 937454
- Condition: Faulted
- 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/WX0A2026030932751

## Discrepancy

(AIRCRAFT NOT GROUNDED) EPSU BATTERY FAULT AT 11WL / REMOVED AND INSTALLED NEW EPSU BATTERY AT 11WL IAW A320 AMM 33-51-38-000-002-A / 400-002-A.  BITE CHECK AND INTERFACE & POWER UP TEST OF CIDS OPS TEST GOOD."

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