What was found
(CAN) ACCORDING TO CREW, SHORTLY AFTER TAKE-OFF, FLIGHT ATTENDANT REPORTED FUMES IN THE CABIN CONFIRMED BY FLIGHT CREW ALSO. AIRPLANE RETURNED BACK TO DEPARTURE AIRPORT THEY WERE UNABLE TO IDENTIFY FROM WHERE WAS COMING THE FUMES AND THEY FELT THE SMELL ALSO. 7 PAX ONBOARD ABORTED FLIGHT AND RETURNED FOR LANDING WITH HEAVY LANDING. (TC# 20191216010)