# SDR AALA201910029012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2019
- Submitted: October 2, 2019
- Operation: Air carrier
- Aircraft: [N998AN](https://openairdocs.org/aircraft/N998AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7509
- Aircraft time: 9,230 hours, 3,464 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Warning Message
- Condition: False Indication
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201910029012

## Discrepancy

AIRCRAFT NOT GROUNDED: EPSU SYS TEST SHOWS BAT/EPSU EXT L FAULT. ACCOMPLISHED EPSU OPERATIONAL TEST OF THE EMERGENCY LIGHTS SYSTEM. TEST IS OK IAW AMM 33-51-00.

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