# SDR SIMA201028401

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2010
- Submitted: October 11, 2010
- Operation: Air carrier
- Aircraft: [N739AE](https://openairdocs.org/aircraft/N739AE), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145402
- Aircraft time: 20,952 hours, 18,491 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Inverter
- Part number: 78241
- Condition: Inoperative
- Location: Cabin
- 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/SIMA201028401

## Discrepancy

DURING MAINTENANCE BASE VISIT FOUND THE CABIN OVERHEAD PANEL INNER EXIT LOCATOR SIGN AND EXIT MARKING SIGN BESIDE LEFT EMERGENCY EXIT DOOR TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED NR 5 INVERTER IAW EMB-135 AMM CHAPTER 33-50-11.  THE OPERATIONAL CHECK WAS GOOD, NO DEFECTS NOTED.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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