As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF ON GEAR RETRACTION, LEFT WING GEAR AND DOOR LIGHT ILLUMINATED. LIGHT ON IN BOTH PRIMARY AND ALTERNATE POSITIONS. FOLLOWED IRREGULAR PROCEDURES, LIGHTS REMAINED ON. FLIGHT RETURNED TO BKK. RETRACT ACTUATOR ROD END BEARING BROKEN. INNER BEARING CRACKED, ATTACH BOLT GALLED. REPLACED LEFT WING LANDING GEAR RETRACT ACTUATOR, OPERATION CHECKS NORMAL.