What was found
BUTTON 1L ON CAPT MCDU BROKE INTO TINY PIECES AND THEY ARE LOST. ACFT GROUNDED. REPLACED FMCS CDU KEYBOARD. OPS NORMAL. VERIFIED GROUND TEST GOOD, REF MM 34-61-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BUTTON 1L ON CAPT MCDU BROKE INTO TINY PIECES AND THEY ARE LOST. ACFT GROUNDED. REPLACED FMCS CDU KEYBOARD. OPS NORMAL. VERIFIED GROUND TEST GOOD, REF MM 34-61-01.