As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FIRST OFFICERS OVERHEAD MAP LIGHT WENT OUT AND CAME BACK ON. A BURNING ELECTRICAL SMELL WAS NOTED. THE ASSOCIATED MAP LIGHT CIRCUIT BREAKER OPENED, NO FURTHER PROBLEMS WERE NOTED. MAINTENANCE INSPECTED AND FOUND EVIDENCE OF THE LIGHT ASSY TOUCHING A CAM LOCK RECEPTACLE WHEN TURNED EXCESSIVELY. MAINTENANCE REPOSITIONED THE LIGHT ASSY AS REQUIRED TO PREVENT CONTACT AND RETURNED THE AIRCRAFT TO SERVICE.