As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, R DOOR AMBER LIGHT STAYED ON. SO ALTERNATE EXTENSION WAS DONE, AND BE AIR TURN BACK. OPS CHECK IN HANGER, MECHANIC CONFIRMED THE PHENOMENON. THE R DOOR WAS ACTUALLY OPEN. REPLACED RT SSV. THEN OPERATION BACK INTO NORMAL. (TC 20100219005)