# SDR AWXA200500351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2005
- Submitted: March 22, 2005
- Operation: Air carrier
- Aircraft: N637AW
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 099
- Aircraft time: 48,473 hours, 21,578 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 321452
- Part serial: 678
- Condition: Failed
- Location: Zone 263
- Part time: 48,476 hours, 21,578 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200500351

## Discrepancy

LAS - EEL - FLIGHT CREW REPORTED THE EMERGENCY EXIT LIGHTS OVER L-2 AND R-2 DOOR DID NOT ILLUMINATE.  MAINTENANCE REMOVED AND REPLACED AFT LT EMERGENCY POWER SUPPLY UNIT (13WL), OPERATIONAL CHECK WAS GOOD.

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