# SDR CALA2023053101699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2023
- Submitted: May 31, 2023
- Operation: Air carrier
- Aircraft: [N853UA](https://openairdocs.org/aircraft/N853UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1688
- Aircraft time: 65,289 hours, 28,897 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Part serial: 279090
- Condition: No Test
- Location: 13wl
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023053101699

## Discrepancy

EPSU BATTERY (13WL) TEST FAILED; BATTERY NEEDS TO BE REPLACE. AS NOTED ON LTPR NR#5001235878-0010 EPSU BETTERY (13WL) FAILED ON EMERGENCY LIGHTING BATTERY S/N OFF:279090  QTY:1EA  P/N ON:AD3214-31  S/N ON:283003 QTY:1EA CAPACITY TEST AND REQUIRE REPLACEMENT. BATTERY REPLACEMENT OF WORK ACCOMPLISHED BY 5P1122 AND INSPECTED BY 5H0243. (13WL) PERFORMED IAW AMM:33-51-38-000-002 REV.119 AND AMM:33-51- 38-400-002 REV.119. TEST SATISFACTORY. P/N OFF:AD-3214-31

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