As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE, LANDING GEAR FAILED TO RETACT. COULD NOT RAISE HANDLE PAST OFF. PULLED LATCH AND AURAL C/B'S, STILL COULD NOT RAISE HANDLE PAST OFF POSITION. SYSTEM FAILED EXTENSION TEST, PER RED TABS DID NOT ATTEMPT TO USE LEVER LATCH TRIGGER.