What was found
FLT#671, BOS-CUN. 'PASSING THROUGH 10K FEET DURING DESCENT STRONG ODOR FROM FLT DECK THOUGH MID CABIN. SMELLED LIKE BURNING PLASTIC.#2 FA HAD THIS SAME PLANE AND HAD THE SAME ODOR AT THE SAME POINT OF THE FLIGHTS. ODOR DISSIPATED AFTER LANDING. SEE ODOR REPORT; COMPLIED WITH INFORMATION NOTICE 2017-TO15, SECTION B1 N07 ODOR FOUND AND NOT COLLECTIVE ACTION NEEDED. DECONTAMINATION LEVEL A WAS ACCOMPLISHED PER TSM 05-50-00. AIRCRAFT IS OK FOR SERVICE.'