# SDR CALA2023102303139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2023
- Submitted: October 23, 2023
- Operation: Air carrier
- Aircraft: [N498UA](https://openairdocs.org/aircraft/N498UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1865
- Aircraft time: 61,577 hours, 26,867 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: AD321431
- Part serial: 158814
- Condition: Failed
- Location: Emergency Lights
- 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/CALA2023102303139

## Discrepancy

EMERGENCY EXIT LIGHTS NOT ILLUMINATING IN AFT SECTION OF ACFT GE N BY V907039 ON HAECO LCQ NR 9296010/34010 REMOVED AND REPLACED EPSU BATTERY 13WL IAW A320 AMM 33-51-38-000 -002-A AND 33-51-38-400-002-A. OPS CHECK GOOD IAW A320 AMM 33-51 -00-710-001-A

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