As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAINS DISPLAY UNIT (PRIMARY FLIGHT DISPLAY) CHANGES COLOR AND FLICKERS OCCASIONALLY. REMOVED AND REINSTALLED CAPT`S EAID IAW AMM 34-22-03. INSPECTED COOLING INLET SCREENS IAW MM 34-22-00, NO FLICKERING OR COLOR CHANGES NOTED, OPS CHECKED OK.