As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BURNING INTERMITED AND INCREASING BURNING SMELL FROM AFT GALLEY IN FLIGHT. UNABLE TO ISOLATE VIA TURNING OFF PACK 2 OR 1 SMELL WENT AWAY ON GROUND-PERFORMED INSPECTION ON AFT CABIN PER TSM 24-00-00-810-823-A NO SMELL NOTED AIRCRAFT OK FOR SERVICE