# SDR AALA20161121007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2016
- Submitted: November 21, 2016
- Operation: Air carrier
- Aircraft: [N116AN](https://openairdocs.org/aircraft/N116AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6070
- Aircraft time: 9,161 hours, 1,848 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Epsu
- Part number: 32146210
- Part serial: 146084
- Condition: Failed
- Location: Cabin
- 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/AALA20161121007

## Discrepancy

AIRCRAFT NOT GROUNDED.  EMERGENCY EXIT LIGHTS 13WL FAILED TEST.  REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT IAW AMM 33-51-38.  OPERATIONAL CHECK GOOD.

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