# SDR CALA2014092292274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2014
- Submitted: September 22, 2014
- Operation: Air carrier
- Aircraft: [N490UA](https://openairdocs.org/aircraft/N490UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1728
- Aircraft time: 41,286 hours, 17,754 cycles
- Engine: Iae V2527A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Faulted
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014092292274

## Discrepancy

OVERHEAD EMER LIGHTS INOPERATIVE.  OVERWING EMER EXIT LIGHTS CAME ON SOMETIME AFTER TAKEOFF RECYCLED SWITCH.  ACCOMPLISHED TEST OF THE EMER LIGHTS IAW MM 33-51-00 HAD 2 FAULTS EPSU BATTERY RT & EPSU BATTERY AFT LT.  REPLACED BATTERY IN POWER SUPPLY UNITS RT & AFT LT.  ACCOMPLISHED TEST OF THE EMER LIGHTS TEST PASSED.

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