What was found
WHEN THE LEFT AND RIGHT MAIN LANDING GEAR IS RETRACTED, THE BRAKE ASSY, P/N 30-143, MAKES HOLES IN THE UPPER WING SKIN HONEYCOMB, P/N 5722311. AT THE SAME TIME, THE BRAKE PISTONS ARE PUSHED INTO THE BRAKE HOUSING ALLOWING ENOUGH SPACE FOR THE BRAKE PADS, P/N 066-07300, TO FALL OUT IN-FLIGHT. THE BRAKE ASSEMBLES ARE INSTALLED ON THE CESSNA 441 UNDER STC NR SA644GL.