# SDR DALA2020012320541

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2020
- Submitted: January 23, 2020
- Operation: Air carrier
- Aircraft: [N368DN](https://openairdocs.org/aircraft/N368DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8695
- Aircraft time: 3,301 hours, 1,397 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020012320541

## Discrepancy

EMERGENCY EXIT SIGNS INCEILING AND ON DOORS 2 AND 3 - ALSO EMERG FLOORLTS AND SOME READING LIGHTS ALL FLICKERING CONTINUOUSLY DURING FLT AT CRUISE ALT, FOUND FAULT "EPSU(11WL)EXT L/DEU-B(300RH6)", SEAT MOUNTED LIGHTS 30-37,15-16, 19-20,23-24 INOPERATIVE. CEILING LIGHTS AT ROWS 17 & 27 INOPERATIVE. L3 DOOR EXIT LIGHTS ALSO INOPERATIVE. REPLACED BATTERY PACK OF EPSU 11WL

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