As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS BURNING RUBBER SMELL AT ROWS 31 TO 33. CALL LIGHT ON AT SEAT 33C WITHOUT CALL BUTTON, SEAT VIDEO 33C WENT BLANK AND SMELL DISSIPATED. CREW REPORTED CALL LIGHT WAS ABLE TO BE RESET. CHECKED VICINITY OF ROWS 31C THRU 33C ALL PCU AND VIDEO FUNCTIONS NORMAL. NO BURNING ODOR NOTICED.