# SDR AALA202201148595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2022
- Submitted: January 14, 2022
- Operation: Air carrier
- Aircraft: [N191UW](https://openairdocs.org/aircraft/N191UW), registered now
- Make and model: Airbus A300*
- Aircraft serial: 1447
- Aircraft time: 67,685 hours, 25,701 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202201148595

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING EMERGENCY LIGHT TEST FAULT MESSAGE "EPSU COMM FWD L, EPSU UNIT MID L, EXIT R, EPSU BATTERY EXIT L, AFT L, EPSU BATTERY MID R." DISPLAYED. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)

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