As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. INSPECTION OF AIRCRAFT DETECTED A FAULTY OUTBOARD GEAR SWITCH. REPLACED AND ADJUSTED PER 32-00-00, THE LEFT MAIN LANDING GEAR STRUT WAS IN NEED OF REBUILDING. REPLACED THE STRUT SEALS AND INSPECTED AIRCRAFT LANDING GEAR. SYSTEM OPS CHECK GOOD.