As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FA REPORTED AN ODOR IF AFT GALLEY. TURNED OFF GALLEY HEATERS AND ODOR WENT AWAY. ABOUT 15 MIN AFTER TAKEOFF, HEATERS WERE TURNED BACK ON WITH NO ODOR THE REST OF THE FLIGHT. NO INBD FDE CAPTURED. NO ODOUR DETECTED ON GRD ON ARRIVAL. AIR DISTRIBUTION HEATERS SYSTEM TEST PERFORMED IAW AMM DMC-B787-A-21-45-30-02A-720A-A. TEST PASSED. SATISFACTORY.