# SDR CALA2019030100306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2019
- Submitted: March 1, 2019
- Operation: Air carrier
- Aircraft: [N453UA](https://openairdocs.org/aircraft/N453UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1001
- Aircraft time: 64,767 hours, 26,626 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019030100306

## Discrepancy

ON N/R S/N 9616764(SUPPORT TASK) L-76 DOT 001. EMERGENCY LIG HT BATTER FAULT MESSAGE ON EPSU AT L1 DOOR. REMOVED AND REINSTALLED EPSU BATTERY IAW AMM 33-51-38-000-0 02-A AND 33-51-38-400-002-A NO FAULTS FOUND.

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