# SDR UALA10020300435A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2010
- Submitted: February 19, 2010
- Operation: Air carrier
- Aircraft: [N427UA](https://openairdocs.org/aircraft/N427UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 512
- Aircraft time: 51,875 hours, 19,032 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321424
- Part serial: 79
- Condition: Faulty
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA10020300435A

## Discrepancy

NO CONTROL OVER CABIN LIGHTING FROM CIDS PANEL.  EMERGENCY LIGHT STAY ON ALL THE TIME REGARDLESS OF SWITCH POSITIONS.  STILL TROUBLESHOOTING.  REPLACED 10WL POWER SUPPLY (P/N 3214-54) AND CIDS PANEL, NO HELP.  REPLACED CPC NR 1, DEU 300RH4, DEU 300RH5.  NORMAL CABIN LIGHTS TEST NORMAL.

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