As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MAIN AMBER GEAR DOOR LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION. CYCLED GEAR IAW CHECKLIST, GEAR RETRACTED AND LIGHT EXTINGUISHED. ACFT DIVERTED DURING FERRY FLIGHT. MECH WORKED ISSUE AND COULDN'T FIND PROBLEM. FERRY TO OTHER FACILITY. MX FOUND FWD GEAR DOOR ACTUATOR TO BE BYPASSING. REMOVED AND REPLACED ACTUATOR. PERFORMED GEAR SWINGS, ALTERNATE GEAR EXTENSION CHECKS AND INSP FOR LEAKS IAW MM 32-10-36. OPS CHECK GOOD PENDING EVAL FLIGHT.