What was found
FT # 535, SWF-FLL. STRONG FOUL/ACRID ODOR SMELL IN FLT DECK AFTER TAKE OFF LASTING 2-3 MINUTES THEN DISPATCHED, RECURRED NEAR TOP OF CLIMB. NOT AS STRONG, PERSISTENT IN DECENT TO FL300, PERFORMED COCKPIT ODOR ISOLATION PRECEDURE PACK 1 OFF SUCCESSFUL CABIN ODOR REPORT MX-271 COMPLETED; TROUBLESHOOTING CABIN AND COCKPIT ODOR PER TSM 21-20-00-810-801-A. NO ODOR FOUND. A/C OK FOR SERVICE.