As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE, FLIGHT ATTENDANT REPORTED A BURNED ODOR AT FWD AND AFT AREAS OF CABIN SMELL WAS SIMILAR TO A BURNED MATCH. ODOR CEASED. TURNING GASPER FAN OFF AND PACK TO FULL COLD, SMELL DISAPPEARED. INSPECTED AND FOUND GASPER FAN WITH BAD SHAFT AND BEARINGS. REPLACED PER BOEING M/M.