As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN PREPARATION FOR DEPARTURE IT WAS REPORTED BY GROOMERS THERE WAS A BURNING ODOR IN THE CABIN OF THE ACFT. MAINTENANCE WAS ADVISED AND INVESTIGATION RESULTED IN THE AFT GALLEY EQUIPMENT FAN MALFUNCTIONING AND AN MEL WAS APPLIED. FLIGHT WAS DELAYED APPROXIMATELY 40 MINS FOR INVESTIGATION. RESOLUTION AFT EQUIPMENT EXHAUST FAN 1 REPLACED IAW AMM 21-26-01-401.