What was found
FLT 667, HPN-PBI. DESCENDING THRU 20,000 FT, AFTER SOME LIGHT TO HEAVY RAIN STRONG MAGIC MARKER / NEW SHOW SMELL DOWN TO 1 K. CHECKED W / FA'S NO ODOR / FUMES NOTED. BOTH FO AND CA NOTICED INTENSITY. NO PHYSIOLOGICAL EFFECTS NOTED JUST THE STRONG ODOR.