As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION DOOR AND TRANS LIGHTS ON PILOTS PANEL,LT GEAR OR DOOR LIGHT ON SECOND OFFICERS PANEL. DUMPED FUEL RETURNED TO LAX. FOUND LEFT MAIN GEAR DOOR RETRACT ACTUATOR CRACKED ON MAIN HOUSING NEAR PROX SWITCH. REPLACED SAME PER MM. OPS CHECKED OK.