# SDR ASOA20111208008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2011
- Submitted: December 9, 2011
- Operation: Air carrier
- Aircraft: N11548
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145565
- Aircraft time: 23,757 hours, 18,007 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Diode
- Condition: Failed
- 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/ASOA20111208008

## Discrepancy

DURING ROUTINE MX INSPECTION, IT WAS DISCOVERED ALL THE EMERGENCY LIGHTS ILLUMINATED WITH SWITCH IN THE ARM POSITION.  MX R & R DIODE CR0220 AND THE F/A CONTROL PANEL IAW WM 28-23-50 AND 25-27-09 WITH OPS CHECKED SUCCESSFULLY.  ACFT WAS APPROVED FOR RETURNED TO SERVICE.

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