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 AS INDICATED BY 3 GREEN, NO RED INDICATION, UPON BRINGING GEAR HANDLE TO UP POSITION. FOUND HANDLE TO BE STIFF. REMOVED GEAR HANDLE AND LUBED. REATTACHED HANDLE OP'S CK GOOD. GEAR SWINGS FWD IAW MM CH 32-30-00.