As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA REPORTS NOXIOOUS PLKASTIC BURNING SMELL IN CABIN. NO VISIBLE SMOKE NOTED. PAX REACTED DISCOMFORT. C/W FIN TASK FOUND #2 PACK TO HAVE BURNING ODOR IN CABIN PER FIM 21-20-00-810-801 FOUND #2 TO BE THE SOURCE OF ODOR, POSSIBLE COFFEE CONTAMINATION FOUND IN ACM INLET. PERFORM T/S PER FIM 21-20-00-810-803-A AND 21-20-00-810-801-A. COULD NOT FIND SOURCE OF ODOR ON GROUND.