# SDR YENA2019061850332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2019
- Submitted: June 18, 2019
- Operation: Air carrier
- Aircraft: [N635JB](https://openairdocs.org/aircraft/N635JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2725
- Aircraft time: 53,722 hours, 18,919 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 321431
- Part serial: 791622
- Condition: Failed
- Location: Emergency Lights
- Part time: 9,615 hours, 3,203 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/YENA2019061850332

## Discrepancy

FLT 779,  EXIT LIGHT LEFT OVERWING NOT WORKING ( EXIT MARKING SIGNS/BULBS (NO PAX) ); PERFORMED GROUND SCAN OF EMERGENCY LIGHTING SYSTEM AND FOUND EPSU BATTERY PACK EMERGENCY ROW LEFT SIDE PERFORMED BATTERY PACK TEST ON EPSU AND FAIL LIGHT ILLUMINATED. R & R BATT EMERGENCY LIGHT REF AMM 33-51-38 AND SYS CHECK PERFORMED ALL CHECKS NORMAL MX-4 UPDATED DISPATCH NUMBER 00905.

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