# SDR CALA2023081602529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2023
- Submitted: August 16, 2023
- Operation: Air carrier
- Aircraft: [N833UA](https://openairdocs.org/aircraft/N833UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1401
- Aircraft time: 69,151 hours, 30,667 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Part serial: 289190
- Condition: No Test
- Location: 10wl
- 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/CALA2023081602529

## Discrepancy

EPSU BATTERY (10WL) FAILED ON EMERGENCY LIGHTNING CAPACITY TEST AND REQUIRES REPLACEMENT. RECORDED ON LTPR NR#5001249492-0010. BATTERY REPLACEMENT OF (10WL) PERFORMED IAW AMM:33-51-38-000-002 & 33-51-38-400-002 REV 120. TEST SATISFACTORY. REMOVED PART INFO P/N:AD-3214-31, S/N:289190, INSTALL PART INFO: P/N; AD-3214-31, S/N:303915, RECORDED ON LTPR NR#5001249492-0010.

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