# SDR CALA2017110303925

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2017
- Submitted: November 4, 2017
- Operation: Air carrier
- Aircraft: [N457UA](https://openairdocs.org/aircraft/N457UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1146
- Aircraft time: 57,260 hours, 24,021 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulty
- Location: Cabin
- 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/CALA2017110303925

## Discrepancy

PTP PANEL SYSTEM TEST DISPLAYS ATA 33-51-38 EPSU BATTERY EMER R T/S AND FOUND BATTERY 11WL AND 12WL TO BE BAD. REMOVED AND REPLACED 11WL AND 12WL BATTERY REF AMM 33-51-39 OPS CHECK GOOD.

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