As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMATELY +45 HOURS IN FLIGHT F/A AND PAX NOTED ELECTRICAL BURNING ODOR FROM AROUND MONITOR AT ROW 30. ODOR CAME AND WENT FOR APPROXIMATELY 15 MINUTES, THEN NO ODOR. PERFORMED A DETAIL INSPECTION AT ROW 30 IN CEILING AND SURROUNDING AREAS. UNABLE TO LOCATE ANY SOURCE OF ELECTRICAL BURNING IAW AMM 025-50. OK FOR SERVICE.