As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR FAILED TO RETRACT ON TAKEOFF. PILOT REPORTED LOUD BANG AS LANDING GEAR RETRACTED. AIRCRAFT MADE NOSE-UP LANDING. NO ONE INJURED AND AIRCRAFT DAMAGE MINIMAL. SUSPECT RIGHT NOSE GEAR DOOR CLEVIS BOLT FAILURE CAUSED INCIDENT TO OCCUR. FATIGUE LIFE OF IDLER BELLCRANK SUSPECT ALSO. SUBMITTER RECOMMENDS COMPLETE INSPECTION OF LANDING GEAR DOOR ACTUATOR ROD ENDS AND IDLER BELLCRANK AT REGULAR INSPECTION INTERVALS.