As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT T/O, GEAR HANDLE WOULD NOT RAISE, GEAR LATCH FAILED TO RELEASE. PINS INSTALL. FOUND LAND ASSY UNIT BAD. REMOVED AND REPLACED UNIT PER MM 32-09-121. PERFORMED FUNC TEST PER MM 32-09-122, ALL CK OK. REMOVED PLACARD AND INSTALLED ALIGN ON SIDE PANEL IN CORRECT PLACE.