What was found
FLT#162, SMF-JFK. 'PLASTIC SMELL - ODOR ON DESCENT AND EVERY TIME THRUST WENT TO IDLE; OPERATED BOTH ENG 1/2 BLEED AND BOTH PACKS. NOO ODOR WAS PRESENT. APU ALREADY ON MEL. PLEASE NOTE ENG 2 WAS PERFORMED ON 6/19/23. COULD NOT DUPLICATE IT. NO 30-DAY HISTORY NOTED “COMPLIED WITH INFORMATION NOTICE 2017-T015, SECTION A, ISOLATED FAULT TO TYPE 10, (A), 1,C PER TSM 05-50-00-810-085-B/TSM 05-50-00-810-085-D. THE AIRCRAFT IS OK FOR SERVICE.