# SDR CALA2025012402017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2025
- Submitted: January 24, 2025
- Operation: Air carrier
- Aircraft: [N435UA](https://openairdocs.org/aircraft/N435UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 613
- Aircraft time: 85,245 hours, 33,737 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32145410
- Part serial: 008332
- Condition: Faulty
- Location: Zone 200
- Part time: 785,236 hours, 733,733 cycles
- 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/CALA2025012402017

## Discrepancy

DURING TROUBLESHOOTING OF EMERGENCY LIGHTS FOUND LEFT EMERGENCY EXIT POWER SUPPLY 11WL TEST BUTTON INOPERATIVE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY 11WL, OPS CHECK GOOD REF AMM 33-51-38.

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