As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE WAS REPORTED COMING OUT OF THE CEILING LIGHT ABOVE SEAT 1A. MX INSPECTED AND ISOLATED THE LIGHT HARNESS FOR THE LIGHT ABOVE SEAT 1A TO BE FAULTY. MX REMOVED THE LIGHT ASSY AND HARNESS AND DEFERRED IAW NEF CB-02 CAT "D". ACFT WAS APPROVED FOR RETURN TO SERVICE.