# SDR AALA202010099019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2020
- Submitted: October 9, 2020
- Operation: Air carrier
- Aircraft: [N184US](https://openairdocs.org/aircraft/N184US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1651
- Aircraft time: 62,204 hours, 23,589 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202010099019

## Discrepancy

AIRCRAFT WAS NOT GROUNDED.  MULTIPLE EMERGENCY LIGHTS ON SEATS LEFT SIDE OF AIRCRAFT INOPERATIVE AND EXIT SIGN AT L3 DOOR INOPERATIVE.  FOUND EMERGENCY POWER SUPPLY UNIT 11WL BAD.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (AALA202010099010) 11WL AND BATTERY, PER AMM 33-51-38.

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