# SDR ASOA20151204070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N16178](https://openairdocs.org/aircraft/N16178), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500889
- Aircraft time: 24,777 hours, 15,654 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Inverter
- Part number: 78241
- Condition: Failed
- 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/ASOA20151204070

## Discrepancy

DURING ROUTINE MAINTENANCE THE AFT CENTER AISLE EMERGENCY EXIT LIGHT WAS FOUND INOPERATIVE.  MAINTENANCE REPLACED THE NR 4 EMERGENCY LIGHT INVERTER.  OPERATIONAL CHECKS WERE GOOD.

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