What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Left main landing gear collapsed while taxing. The commercial pilot was not injured. Operated under part 91. Night, vm. According to the pilot's written statement, he "added throttle to get the temperatures up" while on back taxi to runway 10. He cycled the propeller twice, pulled the throttle back to idle, heard an irregular noise and then felt ground contact. He immediately shut off the mixtures to both engines. The pilot reported that "the gear was slowly collapsing" while he was taxiing, "which could not be recognized in the dark."
As the FAA filed it
LEFT MAIN LANDING GEAR COLLAPSED WHILE TAXING. THE COMMERCIAL PILOT WAS NOT INJURED. OPERATED UNDER PART 91. NIGHT, VM. ACCORDING TO THE PILOT'S WRITTEN STATEMENT, HE "ADDED THROTTLE TO GET THE TEMPERATURES UP" WHILE ON BACK TAXI TO RUNWAY 10. HE CYCLED THE PROPELLER TWICE, PULLED THE THROTTLE BACK TO IDLE, HEARD AN IRREGULAR NOISE AND THEN FELT GROUND CONTACT. HE IMMEDIATELY SHUT OFF THE MIXTURES TO BOTH ENGINES. THE PILOT REPORTED THAT "THE GEAR WAS SLOWLY COLLAPSING" WHILE HE WAS TAXIING, "WHICH COULD NOT BE RECOGNIZED IN THE DARK."
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.