As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INITIAL CLIMB CREW WENT TO RETRACT THE GEAR AND THE RIGHT SIDE WOULD NOT RETRACT. FOUND AIRCRAFT OUT OF NORMAL CONFIGURATION, ALTERNATE EXTENSION DOOR WAS FOUND OPEN WHICH WILL CAUSE THE GEAR NOT RETRACT NORMALLY. RESTORED ALTERNATE EXTENSION SYSTEM TO NORMAL CONFIGURATION REF AMM SDS 32-34-00.