What was found
CAPT CDU: LINE SELECT KEY 6 RIGHT & EXEC KEY DOESN'T RESPOND WITH DISTINCT CLICK LIKE OTHER KEYS. REPLACED CAPT FMC MCDU KEYPAD. TESTED OK PER AMM 34 61 01/401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPT CDU: LINE SELECT KEY 6 RIGHT & EXEC KEY DOESN'T RESPOND WITH DISTINCT CLICK LIKE OTHER KEYS. REPLACED CAPT FMC MCDU KEYPAD. TESTED OK PER AMM 34 61 01/401.