What was found
(CAN) FOUND LEADING EDGE OF LOWER PANEL COVERING OB FLAP ACTUATOR ON BOTH LT AND RT FLAPS DAMAGED. INVESTIGATION FOUND LOWER PIN P/N 145680-1 AND SNAP RING P/N 9-INI7437A2-70 HAD COME OUT OF THE BOTTOM OF GIMBAL ASSY. P/N 145771-1. PART OF ACTUATOR P/N 6627503000-011. WHEN THE ABOVE PIN CAME LOOSE IF ALSO GOUGED THE LEADING EDGE OF THE FLAP ACTUATOR CUTOUT FRAME. THE ACTUATOR HOUSING ALSO CONTACTED THE LEADING EDGE OF THE COVER PANEL. THE DAMAGED AREAS WERE BLENDED OUT AND TREATED IAW MFG ENGINEERING AND BOTH FLAP ACTUATORS REPLACED.