As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DURING DESCENT FLIGHT ATTENDANTS REPORTED A MELTING PLASTIC SMELL FROM AFT GALLEY. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE AFT GALLEY COFFEE MAKERS. AFT LEFT COFFEE MAKER AND THE AFT RIGHT COFFEE MAKER PER AMM 25-35-15.