What was found
RT FMC BUTTON 6L VERY DIFFICULT TO DEPRESS. ACFT GROUNDED. REPLACED THE RT FMS CDU. ETOPS GROUND VERIFICATION TEST SUCCESSFUL IAW MM 34-61-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RT FMC BUTTON 6L VERY DIFFICULT TO DEPRESS. ACFT GROUNDED. REPLACED THE RT FMS CDU. ETOPS GROUND VERIFICATION TEST SUCCESSFUL IAW MM 34-61-01.