As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ODOR OF BURNING PLASTIC WHEN WE STARTED DECENDING. NO HOT SPOTS ON BRAKER PANELS. FAS CHECKED LAVS/CABIN ALL OK. ODOR WOULD DISSIPATE AND RETURN WHEN ENGINES DECELERATED TO IDLE-PERFORMED ENGINE RUN ON BOTH #1 & #2 ENG IAW AMM 71-00-00. COULD NOT DUPLICATE SMELL, NO SMELL NOTED BY CREW OR MX. A/C IS OK FOR FLIGHT @ THIS TIME. C/W TSM 05-50-00