# SDR CALA2024053101650

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2024
- Submitted: May 31, 2024
- Operation: Air carrier
- Aircraft: [N805UA](https://openairdocs.org/aircraft/N805UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 783
- Aircraft time: 75,478 hours, 32,427 cycles
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery Pack
- Part number: AD321431
- Condition: Discharged
- 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/CALA2024053101650

## Discrepancy

EMERGENCY EPSU BATTERY AFT L FAILS OPERATIONAL CHECK. REF TO PEMCO NR 15402.0026 REMOVED AND REPLACED EPSU BATTERY AT 13WL IAW A319 AMM 33-51-38- 000-002-A AND A319 AMM 33-51-38-400-002-A. OPERATIONAL TEST GOOD IAW A319 AMM 33-51-00-710-001-A

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