What was found
CAPT'S MCDU BRIGHTNESS CONTROL IS MISSING THE KNOB. ACFT GROUNDED. FOUND THE CAPT'S MCDU BRIGHTNESS CONTROL KNOB AND INSTALLED IT. OPS CK GOOD IAW MM 34-61-01-710.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPT'S MCDU BRIGHTNESS CONTROL IS MISSING THE KNOB. ACFT GROUNDED. FOUND THE CAPT'S MCDU BRIGHTNESS CONTROL KNOB AND INSTALLED IT. OPS CK GOOD IAW MM 34-61-01-710.