What was found
AFTER T/O, IN FLIGHT, STRONG CHEMICAL ODOR IN COCKPIT, LASTED WHOLE FLIGHT....FIX: RAN ENGINES WITH BLEEDS AND PACKS FOR 20 MINUTES.CLEANED RECIRC FAN INLET SCREENS AS REQ NO ODOR NOTED AT THIS TIME.OK FOR SERVICE.SEE SEQ IN WORK PACKAGE DATED 11/11/19 FOR T/S.