As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SPOILER FAULT EICAS MESSAGE AFTER TOUCH DOWN ,FLIGHT CONTROL NO DISPATCH MESSAGE FOLLOWED SHORTLY AFTER . AIRCRAFT OUT OF SERVICE, AOG. WAS TOWED TO HANGAR DURING T/S FOUND L/H WING O/B PCU CONNECTOR HEAVILY CORRODED AND ALSO CONNECTOR AIRFRAME SIDE MFS #3 P0921 HEAVILY CORRODED BOTH CONNECTOR AND PCU REPLACED FOLLOWED BY AMM OPS TEST. (TC# 20190604019)