# SDR ASOA20120325026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2012
- Submitted: March 27, 2012
- Operation: Air carrier
- Aircraft: N15985
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145248
- Aircraft time: 28,681 hours, 21,536 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Inverter
- Part number: 78241
- Condition: Faulty
- Location: Emergency Light
- 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/ASOA20120325026

## Discrepancy

DURING SCHEDULED MX INSPECTION THE LT SIDE EMERGENCY EXIT ROW UPPER SIGN WAS FOUND INOPERATIVE.   MX R & R THE NR 4 INVERTER IAW AMM 33-50-01 WITH OPS CHECK SUCCESSFUL.  THE ACFT WAS APPROVED FOR RETURN TO SERVICE.

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