What was found
FUMES, HEAVY IN SCENT, IN COCKPIT DURING DESCENT, AFTER FIRST OFFICER'S PRIMARY FLIGHT DISPLAY FAILURE. PERFORMED FUMES IN CABIN CONDITIONAL INSPECTION IAW MM CHP 5-51-56 TASK 05-51-56-200-801. CONFIRMED FUMES SOURCE WAS FIRST OFFICER'S PRIMARY FLIGHT DISPLAY. CHANGED SAME. NO OTHER DEFECTS FOUND, OK FOR SERVICE.