# SDR UALA2010080502836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2010
- Submitted: August 6, 2010
- Operation: Air carrier
- Aircraft: [N812UA](https://openairdocs.org/aircraft/N812UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 850
- Aircraft time: 41,509 hours, 15,997 cycles
- Engine: Iae V2522A5
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: No Test
- Location: Cabin
- 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/UALA2010080502836

## Discrepancy

CABIN EMERGENCY LIGHTS CHECK FAILS SYSTEM TEST.  TEST GIVES FAULT EPSU EXT LOAD FWD L.  INSTALLED NEW EPSU & BATTERY (10WL), NO HELP.  REINSTALLED OLD EPSU & BATTERY. STARTED T-SHOOTING IAW TSM.  RED LED EXTERIOR LIGHTS FAULT IS ON AT EPSU 10W L. NEED TO REMOVE LT OVERWING EXIT SLIDE FOR FURTHER TROUBLESHOOTING.  PRIOR TO SLIDE REPLACEMENT RE-CHECK OVER WING EXTERIOR LIGHT TO INSURE OPERATIONAL AS THIS WILL ALSO CAUSE FAILED TEST.  THROUGH TROUBLESHOOTING FOUND DOOR 1L SLIDE FAILING. REPLACED SLIDE. EMERGENCY LIGHT TEST NORMAL.

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