As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
POSSIBLE LIGHTING STRIKE WHILE IN CLOUDS FLIGHT LEVEL 220 ELECTRICAL BURNING SMELL LIKE FOR ABOUT 5-10 MIN EXIT OUT OF CLOUDS SMELL DISSIPATED. PERFORMED GVI OF AIRCRAFT IAW SRM 51-10-02. NO EVIDENCE OF LIGHTING STRIKE FOUND. CREW PERFORMED ENGINE RUN. NO SMELL NOTED AIRCRAFT OK FOR SERVICE