As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT AND CRUISE MASTER CAUTION LIGHT AND AURAL STARTED TO CONSTANTLY ACTIVATE WITH NO ASSOCIATED MESSAGES. RESET MASTER CAUTION SWITCH EVERY 10 SECONDS, NO EICAS MESSAGES DISPLAYED. RT EICAS COMPUTOR HAD NUMEROUSLY DISPLAYED CAUTIONS AND WARNINGS ACTIVATE, LEFT EICAS SHOWED NOTHING, AURALS AND CAUTION CONTINUED TO ILLUMINATE. R & R RT EICAS COMPUTER IAW AMM 31-41-02-4. OPS CHECKED GOOD.