As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR FAILED UPLATCH CHECK. CYCLED SEVERAL TIMES FOLLOWED ATI DOOR WARNING CHECKLIST. FOUND INDICATION PROBLEM AND CONTINUED ACCORDING TO ATI CHECKLIST. 30 MIN LATER LIGHT WENT OUT. CREW LANDED UNEVENTLY AT DESTINATION. MAINTENANCE PERFORMED GEAR SWING AND COULD NOT DUPLICATE. CHANGED LT&RT GEAR DOOR SWITCHES FOE PREVENTITIVE MEASURES. PERFORMED GEAR UPLATCH CHECK OPS CHECK GOOD.