# SDR WX0A2022011973932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2022
- Submitted: January 19, 2022
- Operation: Air carrier
- Aircraft: [N291NV](https://openairdocs.org/aircraft/N291NV), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 2206
- Aircraft time: 48,218 hours, 30,710 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321431
- Part serial: 846813
- Condition: Failed Insp
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2022011973932

## Discrepancy

TEST OF EPSU BATTERY CAPACITANCE CHECK (TC 335100-03-1-001) FAILS LT EMERG, RT EMERG AND AFT LEFT. / REPLACED BATTERIES IN EPSU'S FOR LT EMERG, RT EMERG AND AFT LEFT.  OP'S CHECKS GOOD.  REF AMM 33-51-38-000-002-A & 33-51-38-400-002-A."

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