As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI THE CREW REPORTED A BURNING ODOR IN THE FRONT HALF OF THE ACFT. THE ACFT RETURNED TO THE GATE WHERE MX INSPECTED THE ACFT AND FOUND A LIGHT SOCKET AT SEAT 5A TO BE BURNED. MX REPAIRED 2 WIRES ON THE LIGHT ASSY HARNESS, OPS TESTED WITH NO DEFECTS, AND ACFT APPROVED FOR RETURN TO SERVICE.