What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Aircraft commenced take-off roll at take-off power. As pilot released brakes, aircraft veered right, immediately power was reduced to flight idle and the rudder and brakes applied. According to the pilot, braking was unresponsive, even with 2nd pilot assisting in braking. Aircraft rolled off right side of runway, the nose gear collapsed. Damage to the aircraft included the left tunnel structure at the nose gear trunnion attach point and propeller damage as well. Investigation of the left wheel brake system revealed that the two outer (out of the four) brake pads were missing or had fallen out. These missing pads could not be located.
As the FAA filed it
(-23) AIRCRAFT COMMENCED TAKE-OFF ROLL AT TAKE-OFF POWER. AS PILOT RELEASED BRAKES, AIRCRAFT VEERED RIGHT, IMMEDIATELY POWER WAS REDUCED TO FLIGHT IDLE AND THE RUDDER AND BRAKES APPLIED. ACCORDING TO THE PILOT, BRAKING WAS UNRESPONSIVE, EVEN WITH 2ND PILOT ASSISTING IN BRAKING. AIRCRAFT ROLLED OFF RIGHT SIDE OF RUNWAY, THE NOSE GEAR COLLAPSED. DAMAGE TO THE AIRCRAFT INCLUDED THE LEFT TUNNEL STRUCTURE AT THE NOSE GEAR TRUNNION ATTACH POINT AND PROPELLER DAMAGE AS WELL. INVESTIGATION OF THE LEFT WHEEL BRAKE SYSTEM REVEALED THAT THE TWO OUTER (OUT OF THE FOUR) BRAKE PADS WERE MISSING OR HAD FALLEN OUT. THESE MISSING PADS COULD NOT BE LOCATED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.