What was found
BURNING RUBBER ODOR IN AFT GALLEY REF MM 05-51-26-800-801-C1 PERFORMED INSPECTION IN THE CABIN LAVS AND GALLEYS NEED TO START WITH STEP C (2)(E) ITEM (10) START ENGINE RUNS. NOTE COULD NOT SMELL ANY BURNT SMELL OR RUBBER SMELL OR ELECTRICAL SMELL AIRCRAFT WAS REFUSED BY FLIGHT CREW ALL CREW MEMBERS FILLED OUT SMOKE SMELL IN CABIN IAW AMM 05-51-26-800-801-C1, INSPECTED AREA AND AIR TUBE BY THE GALLEY AREA APU COMPARTMENT AND RUN APU WITH AC NO SMEL FOUND.