# SDR CALA2023060901800

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2023
- Submitted: June 9, 2023
- Operation: Air carrier
- Aircraft: N416UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 479
- Aircraft time: 91,303 hours, 35,863 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: AD321431
- Part serial: 300732
- Condition: Unknown
- Location: 13wl
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2023060901800

## Discrepancy

DURING TEST OF EMERGENCY LIGHTS: "ATA 33-51-38 EPSU INT LOAD AFT L"REFERENCE STS NR0030 REFERENCE STS NR0030 REMOVED AND REPLACED 13WL EPSU BATTERY PER A320 AMM 33-51-38-000-002-A /33-51-38-400-002-A. PERFORMED OP CH ECK PER A320 AMM 33-5100-710-001-A. SYSTEM TEST IS OK.

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