As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ON AN UNEVENTFUL LANDING, THERE WAS A BURNING ODOR THAT APPEARED TO COME FROM THE VICINITY OF SEAT 1A PSU. CONFIRMED THAT THE PSU FOR SEAT 1A CIRCUITBOARD SHOWED SIGNS THAT COULD LEAD TO THE ODOR. THE CIRCUIT BOARD WAS REPLACE. RETURNED TO SERVICE.