As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG RUBBER BURNING SMELL CAME FROM VENTS AROUND AFT ENTRY LIGHT IN REAR GALLEY AT CRZ FL290. SMELL COMING FROM AFT OVERHEAD ENTRY LIGHT. SMELL GONE WITH AFT ENTRY LIGHT OFF. PULLED AND SECURED CB B8 ON P18-3 PNL. FWD AND AFT ENTRY LIGHTS NOW INOP. FWD TO MCO AND PLAC PER MEL 33-00-02.