What was found
OVEN 705 IN AFT GALLEY NEEDS CLEANING. IT IS SMOKING WHEN IN USE. TRIED CLEANING OVEN, HEAVILY SOILED BEHIND BACKPLATE. REQUIRES DEEP CLEAN OR REPLACEMENT. DUE TO SMOKE REPORTED, REQUESTING NEF 2520AV DUE TO SHORT GROUND TIME AT LHR. CB PULLED AND COLLARED FOR OVEN 705 AND INOP STICKER APPLIED. NOC OK TO DEFER AFT GALLEY OVEN 705 INOP. COMPLIED WITH NEF 2520AV HAD G2 CLEANERS, CLEAN G7 GALLEY OVEN 705, RAN OVEN FOR 30 MINS. NO SMELL OR SMOKE NOTED OPS CK OK