As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED UPON ARIVAL INTO DFW DUE TO THE FLIGHT ATTENDANTS REPORTING A BURNING PLASTIC SMELL IN AFT GALLEY. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE ACCOMPLISHED THE SMOKE ODOR FUMES TROUBLESHOOTING TASK CARD AND COULD NOT DUPLICATE THE ODOR OR IDENTIFY A DEFECTIVE PART THAT WOULD HAVE CAUSED THE ODOR.