As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - R IDG VALVE EICAS MSG ILLUMINATED ON STATUS PG AFTER SHUTDOWN. RAN R ENG IDG TEMP NML. NO VALVE MESSAGE SHUTDOWN MSG NO EICAS MSG NOTED, COULD NOT DUPLICATE MSG OPS NORMAL, PERFORMED BITE OF BPCU NO FAULTS NOTED.