# SDR AALA20160706005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2016
- Submitted: July 7, 2016
- Operation: Air carrier
- Aircraft: [N102NN](https://openairdocs.org/aircraft/N102NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5860
- Aircraft time: 9,210 hours, 1,789 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 32146210
- Condition: Inoperative
- Location: Emergency Lights
- 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/AALA20160706005

## Discrepancy

OPERATIONAL TEST OF EMERGENCY LIGHTS FAILED "BAT/EPSU[ 11WL ] EXT L".  ACCOMPLISHED TSM TASK 33-51-00, REPLACED FAULTY EPSU 11WL IAW MM 33-51-38. CHECKED NORMAL, OPS TEST PASSES.

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