What was found
ON LIFT OFF, UP 10K, ENCOUNTERED AT VERY STRONG ODOR COMING FROM AIR CONDITIONING SYS. SMELLED OF MOLDY MUSTY ACIDY WITH SLIGHT STINGING OF EYES. FIRST CLASS PASSENGERS COMPLAINED OF EGG ODOR. DISIPATED ABOVE 10K. ON APPROACH, DESCENDING THRU 14.5K OVERWHELMING ODOR IN COCKPIT STINGING IN EYES OF ODOR. DONNED MASKED AND USED 02 THROUGH OUT LANDING.