As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR DOORS FAILED TO OPEN ON GEAR RETRACTION. THE NOSE GEAR DOORS WERE CRUSHED AND THE GEAR DOWNLOCK MECHANISM WAS DAMAGED. THE NOSE GEAR COLLAPSED ON LANDING ROLL-OUT. THE TWO BOLTS THAT OPERATE THE NOSE GEAR DOORS IN CONJUNCTION WITH GEAR RETRACTION HAD SHEARED DUE TO THE DOORS BINDING, POSSIBLY FROM SNOW AND SLUSH.