As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6221 - SWF-IAD - AIRCRAFT RETURNED TO SWF DUE TO OIL COOLER DOOR WOULD NOT INDICATE CLOSED INFLIGHT. MAINTENANCE FOUND BROKEN WIRE AT ACTUATOR, P/N HTE860028. THE WIRE WAS REPAIRED AND OPS CHECKED GOD. AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE. (Z)