As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF RED DOORS LIGHT REMAINED ON WITH R GEAR DOOR ON 2ND OFFICERS PANEL. RECYCLED GEAR AND LIGHT REMAINED ON. GEAR HANDLE WAS PUT UP AND BOTH LIGHTS EXTINGUISHED. CYCLED RIGHT GEAR DOOR AND OPS CHECKED OK. CLEANED CANNON PLUG AND OPS CHECKED SEVERAL TIMES, AGAIN WITH DOOR LIGHTS OUT WHEN DOOR CLOSED.