What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) A Beechcraft B-55 operated by the international airline training academy was on takeoff roll at Ryan field, Tucson, Arizona; at approximately 65 knots a dark shadow (later identified as an 80LB chow dog) appeared striking the nose gear. Then the nose gear collapsed. Pilot immediately brought power to idle, instructor took control held the nose off the runway. Mixtures were placed in cutoff and the nose of the aircraft dropped down to the runway surface. Flight crew exited the aircraft. Damage to nose gear, propellers and engines. No additional causal factors at this time.
As the FAA filed it
(-23) A BEECHCRAFT B-55 OPERATED BY THE INTERNATIONAL AIRLINE TRAINING ACADEMY WAS ON TAKEOFF ROLL AT RYAN FIELD, TUCSON, ARIZONA; AT APPROXIMATELY 65 KNOTS A DARK SHADOW (LATER IDENTIFIED AS AN 80LB CHOW DOG) APPEARED STRIKING THE NOSE GEAR. THEN THE NOSE GEAR COLLAPSED. PILOT IMMEDIATELY BROUGHT POWER TO IDLE, INSTRUCTOR TOOK CONTROL HELD THE NOSE OFF THE RUNWAY. MIXTURES WERE PLACED IN CUTOFF AND THE NOSE OF THE AIRCRAFT DROPPED DOWN TO THE RUNWAY SURFACE. FLIGHT CREW EXITED THE AIRCRAFT. DAMAGE TO NOSE GEAR, PROPELLERS AND ENGINES. NO ADDITIONAL CAUSAL FACTORS AT THIS TIME.