# SDR AALA202411147285

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2024
- Submitted: November 14, 2024
- Operation: Air carrier
- Aircraft: [N919US](https://openairdocs.org/aircraft/N919US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6479
- Aircraft time: 30,596 hours, 12,626 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Part serial: 146362
- Condition: Faulted
- Location: Zone 200
- Part time: 30,596 hours, 12,626 cycles
- Stage of operation: CL
- 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/AALA202411147285

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FA REPORTED EMERGENCY LIGHTS AT 1 AND 2 DOOR WERE FLASHING FOR ASHORT PERIOD OF TIME RIGHT AFTER BECOMING AIRBORNE. DURING EMER LIGHT TEST 14WL AND 15WL FAULTED. REMOVED AND REPLACED 15WL EPSU (AALA202411147285) BATTERY (AALA202411141539).

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