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 FILLED THE CABIN, AND DISSIPATED SLIGHTLY ON CLIMB-OUT. ODOR DISSIPATED WHEN HOT AIR 1 WAS TURNED OFF. FLIGHT CONTINUED AND LANDING WAS UNEVENTFUL. INSPECTED AND FOUND NO DEFECTS, OPERATED PACKS WITH BOTH THE APU AND ENGINE NR 1 BLEED AND NO SMELL FOUND.