What was found
RECIRCULATION FAN EICAS MESSAGE. MAINTENANCE PAGE SHOWS LT LOWER RECIRCULATION FAN AND FWD UPPER RECIRCULATION FAN. ELMS CPU AND SIG CARDS WERE REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RECIRCULATION FAN EICAS MESSAGE. MAINTENANCE PAGE SHOWS LT LOWER RECIRCULATION FAN AND FWD UPPER RECIRCULATION FAN. ELMS CPU AND SIG CARDS WERE REPLACED.