# SDR CALA2025011401900

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2025
- Submitted: January 14, 2025
- Operation: Air carrier
- Aircraft: [N481UA](https://openairdocs.org/aircraft/N481UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1559
- Aircraft time: 66,174 hours, 29,130 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: D71701100
- Condition: Inoperative
- Location: Zone 200
- 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/CALA2025011401900

## Discrepancy

OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - EPSU BATTERY FWD L MESSAGE APPEARS WILIST ACCOMPLIHING TEST ACCOMPLISHED BITE OF EMERGENCY LIGHT SYSTEM REF TSM33-51-00-810-802-A AND MM33-51-00-710-001. OPS CHECKS GOOD. SEE ATTACHED PICTURES.

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