As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE REVERSER ISOLATION VALVE DISPLAYED AND REVERSER ISOLATION LIGHT ILLUMINATED DURING REVERSE THRUST. REACTIVATED REVERSER. CLEANED CONNECTOR AT REVERSER ISOLATION VALVE. CHECKED OPERATION SEVERAL TIMES. REVERSER OPERATION NORMAL, NO FURTHER MESSAGES DISPLAYED OR FAULTS AT REVERSER CONTROL MODULE.