As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, GOT HOT PLASTIC ODOR IN COCKPIT AND CABIN. EMERGENCY LIGHTS STARTED FLASHING . CAPT SHUTDOWN CABIN FANS AND GALLEY FANS, EMERGENCY LIGHTS STARTED TO FLASH ON & OFF. CHECKED DISTRIBUTION DUCTS IN MID & FWD E/E BAYS. NO ODOR DETECTED. OPS CHECK EMERGENCY LIGHTS AND OPERATING NORMAL. RAN PACKS TO CHECK FOR ODOR. NONE DETECTED . CHECK GALLEY OVENS. NO SIGNS OF PLASTIC ODOR.