As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INITIAL CLIMB AFTER TAKEOFF, THE RIGHT MLG DOOR LIGHT CAME ON AFTER THE LANDING GEAR WAS UP. THE RIGHT MLG DOOR LIGHT WENT OUT AFTER SEVERAL REPEATED CYCLING ATTEMPTS ON GEAR HANDLE. PERFORMED MLG DOOR WARNING SWITCH ADJUSTMENT/TEST. OPS CHECK NORMAL PER M/M 32-62-11 PAGE 5-1.