What was found
AIRCRAFT WAS GROUNDED. AIR INTERRUPT, LHR-JFK. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT OVERWEIGHT. DURING CLIMB FLIGHT ATTENDANTS REPORTED A STRONG ELECTRICAL BURNING ODOR FROM FORWARD GALLEY. NO EVIDENCE OF BURNING SMELLS OR ODORS PRESENT ON ARRIVAL. ACCOMPLISHED MCM CARD 05-96-70 WITH NO ODORS NOTED. REMOVED AND REPLACED FIRST CLASS GALLEY FORWARD CHILLER IAW AMM 25-33-01, DOUBLE OVEN IAW AMM 25-32-02 AND COFFEEMAKERS NR 1 AND NR 2 IAW ESO 60843 AS A PRECAUTION. SEE ALSO AALA20161020008, AALA20161021001 & AALA20161021004.