What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot stated all was normal upon landing. After landing and slowing down the RH engine surged causing aircraft to suddenly turn left. Aircraft ran off runway and struck ditch causing substantial damage to nose landing gear, propellers, LH wing, and fuselage. Both pilots confirmed that throttles were in idle position. PIC locked brakes in attempt to stop acft but engine overpowered brakes. PIC cut engines and fuel in an attempt to stop but contacted ditch before aircraft was able to stop completely.
As the FAA filed it
PILOT STATED ALL WAS NORMAL UPON LANDING. AFTER LANDING AND SLOWING DOWN THE RH ENGINE SURGED CAUSING AIRCRAFT TO SUDDENLY TURN LEFT. AIRCRAFT RAN OFF RUNWAY AND STRUCK DITCH CAUSING SUBSTANTIAL DAMAGE TO NOSE LANDING GEAR, PROPELLERS, LH WING, AND FUSELAGE. BOTH PILOTS CONFIRMED THAT THROTTLES WERE IN IDLE POSITION. PIC LOCKED BRAKES IN ATTEMPT TO STOP ACFT BUT ENGINE OVERPOWERED BRAKES. PIC CUT ENGINES AND FUEL IN AN ATTEMPT TO STOP BUT CONTACTED DITCH BEFORE AIRCRAFT WAS ABLE TO STOP COMPLETELY.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.