What was found
AFTER PUSHBACK FLIGHT CREW INITIALLY COULD NOT DEPRESS THE LEFT RUDDER PEDAL DURING FLIGHT CONTROL CHECK. RETRACTED FLAPS/SLATS, DISAGREEMENT LIGHT ILLUMINATED AND LEFT RUDDER PEDAL WAS OPERATIONAL, RTB. VISUALLY INSPECTED RUDDER SYSTEM CONTROLS ON AIRCRAFT FORFREEDOM OF MOVEMENT OR BINDING RUDDER TRAVEL NORMAL. FOUND CAPPED WIRE BUNDLE AT F/O LT RUDDER PEDAL TUNNEL HANGING DOWN WITH BROKEN TY-WRAP.RESECURED BUNDLE. RUDDER CHECK NORMAL.