# SDR SIMA20120505001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2012
- Submitted: May 7, 2012
- Operation: Air carrier
- Aircraft: [N697AB](https://openairdocs.org/aircraft/N697AB), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500875
- Aircraft time: 19,686 hours, 16,439 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Fuse
- Part number: 276005
- Condition: Unserviceable
- 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/SIMA20120505001

## Discrepancy

DURING B-INSPECTION FOUND THE SECOND AISLE AND RIGHT FORWARD FAIRING EXTERNAL EMERGENCY LIGHTS ARE INOPERATIVE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  FOUND DEDICATED FUSE IN CIRCUIT POWERING BOTH LIGHTS TO HAVE A RESISTANCE OF 21 OHMS.  GAINED ACCESS TO FUSE IN NR 2 EMERGENCY BATTERY CHARGING ASSEMBLY AND RE-INSTALLED HEADLINER IAW STEP 2 OF EMB145 AMM 33-50-04.  REMOVED AND REPLACED FUSE IAW EMB145 STANDARD MAINTENANCE PRACTICES.  THE OPERATIONAL CHECK OF LIGHTS WAS GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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