What was found
CAPTAIN`S CDU WENT BLANK FOR ONE MINUTE WHILE ALTITUDE WAS BEING CHANGED. A BITE TEST MESSAGE ILLUMINATED. ACFT GROUNDED. CHECKED AND CLEANED COOLING VENT, OPS TESTED GOOD IAW AMM 34-61-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CAPTAIN`S CDU WENT BLANK FOR ONE MINUTE WHILE ALTITUDE WAS BEING CHANGED. A BITE TEST MESSAGE ILLUMINATED. ACFT GROUNDED. CHECKED AND CLEANED COOLING VENT, OPS TESTED GOOD IAW AMM 34-61-00.