As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR FAILED TO RETRACT. RETURNED TO FIELD NOSE GEAR PIN FOUND INSTALLED ON POST FLIGHT. DURING POST FLT FOUND ONE MAIN GEAR PIN MISSING. REMOVED NOSE GEAR PIN AND STOWED IAW ASTAR GMM 20.7. VERIFIED MAIN GEAR PINS REMOVED FROM GEAR. ENTERED MISSING GEAR PIN AS GMM DEFERRAL. THIS IS DMI 24525E IAW ASTAR GMM CH 3.5.