What was found
FIRST OFFICER`S CDU DISPLAY IS DARK AND BARELY READABLE, OCCASIONALLY BECOMES BRIGHT AND THEN RETURNS TO DARK. ACFT GROUNDED. REPLACED THE FMCS CDU KEYBOARD, OPS NORMAL IAW AMM 34-61-01-400-801, AND AMM 34-61-01-710-801.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FIRST OFFICER`S CDU DISPLAY IS DARK AND BARELY READABLE, OCCASIONALLY BECOMES BRIGHT AND THEN RETURNS TO DARK. ACFT GROUNDED. REPLACED THE FMCS CDU KEYBOARD, OPS NORMAL IAW AMM 34-61-01-400-801, AND AMM 34-61-01-710-801.