# SDR ASOA20150814045R

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2015
- Submitted: August 18, 2015
- Operation: Air carrier
- Aircraft: [N21197](https://openairdocs.org/aircraft/N21197), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14500947
- Aircraft time: 26,307 hours, 15,483 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Inverter
- Part number: 78241
- 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/ASOA20150814045R

## Discrepancy

DURING MX INSPECTION THE UPPER ESCAPE HATCH EMERGENCY EXIT SIGN WAS FOUND INOPERATIVE.  MAINTENANCE R & R THE NR 4 INVERTER WITH OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.

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