As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHR - FLT NR 0116 - AFTER TAKEOFF AN ACRID ODOR WAS REPORTED IN THE MID GALLEY AREA ACCOMPANIED BY A TRACE OF SMOKE. SECURED GALLEY POWER AND ODOR DISSIPATED ALONG WITH SMOKE. LANDED LHR WITHOUT INCIDENT. REPLACED WARMING CART, NO ODOR OR SMOKE. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)