As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A BURNING SMELL COMING FROM THE SIDEWALL LIGHTS NEAR 5D WITH SPARKING WIRE OBSERVED. MAINTENANCE R & R THE LIGHT ASSY AT SEAT 5D, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.