What was found
DURING TAKEOFF ROLL, NOSE GEAR COLLAPSED. UPON INVESTIGATION, THE REAR STEERING COLLAR ASSEMBLY WAS FOUND BROKEN, WHICH ALLOWED NOSE WHEEL TO PIVOT FREELY. THE NOSE WHEEL PREPARED TO HAVE TURNED 90 DEGREES FROM ITS CENTER POSITION WHICH, IN TURN, ALLOWED THE NOSE GEAR TO OVERCENTER AND RETRACT. SUBMITTER STATED CAREFUL ATTENTION SHOULD BE PAID IN THE VICINITY OF NOSE GEAR AND STEERING COLLAR FOR FATIGUE AND CRACKS. EXTREME CARE SHOULD BE EXERCISED WHEN TOWING THE AIRCRAFT NOT TO EXCEED THE TOWING LIMITS.