As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MAINTENANCE, A GEAR SWING WAS BEING ATTEMPTED BUT WAS UNABLE TO RETRACT GEAR. FOUND RIGHT, MAIN LANDING GEAR DOOR ACTUATOR SWITCH FAULTY, COULD NOT MAKE CONTACT ON A&B TERMINALS. REMOVED SWITCH FROM ACTUATOR AND FOUND INTERNAL DAMAGE IN ACTUATOR SWITCH RECEPTACLE. CAUSE OF INTERNAL DAMAGE UNKNOWN. POSSIBLY DAMAGED DURING OVERHAUL ASSEMBLY.