What was found
(CAN) ON APPROACH , FLAP, AILERON SEAL CAME OFF IN FLIGHT. MOC ADVISED. LANDED WITHOUT INCIDENT. ON RT WING, T/E BETWEEN INBD AND NEXT FLAP, RUBBER SEAL FLAPPING IN THE WIND IN FLIGHT, FELL OFF ON APPROACH. FOUND ON RT INBD AILERON UPPER SEAL MISSING, DEPARTED IN FLIGHT.