As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS ON TAKEOFF ROLL WHEN AT ABOUT 79 KNOTS PILOT HEARD A LOUD POP AND SAW A PIECE OF NOSE GEAR FLY OFF THE AIRCRAFT. PILOT ABORTED TAKEOFF AND NOTICED A DIFFERENCE IN THE STEERING COMING BACK TO THE RAMP. WHEN CHECKED BY MAINTENANCE, NOTICED THAT THE LOWER REAR SECTION OF THE NOSE TRUNNION ASSEMBLY DETACHED, IT CAUSED THE SHIMMEY DAMPENER SHAFT TO SHEAR AND BENT THE BRACKETS ON THE SHIMMEY DAMPENER BODY.