What was found
THE PITOT TUBING IN THE CABIN WAS IMPROPERLY ROUTED CAUSING THE TUBING TO BE CRUSHED BETWEEN THE CABIN STEEL FRAME AND THE LEFT SIDE SKIN. THIS CAUSED A RESTRICTION OF PRESSURE TO THE AIRSPEED INDICATOR RESULTING IN INCORRECT INDICATIONS TO THE PILOT. THIS AIRCRAFT WAS INVOLVED IN A LANDING ACCIDENT WHICH DAMAGED THE AIRCRAFT TO A TOTAL LOSS. THE PITOT TUBING CONDITION MAY HAVE HIGHER THAN WAS INDICATED TO THE PILOT.