What was found
F/O FMC CDU BLANK RTFL, HAPPENED ON PREFLIGHT AND RESET CB E29. CDU WORKED OK UNTIL NOW. REPLACED F/O'S FMC CDU IAW MM 34-61-02. OPS CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
F/O FMC CDU BLANK RTFL, HAPPENED ON PREFLIGHT AND RESET CB E29. CDU WORKED OK UNTIL NOW. REPLACED F/O'S FMC CDU IAW MM 34-61-02. OPS CHECK NORMAL.