As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT 6L AND F/O 6R MCDU BUTTONS WORN. GROUNDED - YES. ACCOMPLISHED TEMPORARY REPAIR PER ASA EA 900ER-34EA-21138. REMOVED LEFT SIDE FMC CDU KEYPAD AND INSTALLED NEW KEY PAD REF AMM 34-61-01-000-801. PERFORMED OPS TEST PER SAME. SYS CKS NML. PLT REMAINS OPEN DUE TO NO PARTS AVAILABLE FOR THE RIGHT SIDE FMC MCDU.