As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2233 - AFTER TAKEOFF, THE RIGHT MAIN GEAR DOOR ADVISORY LIGHT REMAIN ILLUMINATED FOR ABOUT 1.5 MINUTES. AIRSPEED WAS ABOUT 180 KNOTS WHEN THE LIGHT WENT OUT. FERRIED THE AIRCRAFT TO PDX. ADJUSTED THE NR 2 MLG RETRACT ACTUATOR ROD END 1 FULL TURN IN IAW RD 8/4-32-059. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.