What was found
STRONG ELEC SMELL IN AFT CABIN DURING CLIMB-OUT. INSPECTED A/C DURING VERIFICATION FLT. TURNED ON ALL OVENS/COFFEE MAKERS/AND CHILLERS IN AFT GALLEY. OPENED UP CEILING PANELS IN AFT GALLEY/CABIN. CHECKED DOOR HEATERS DUCTING/OXY/CANISTERS AND FANS. CHECKED ENTIRE CABIN/COCKPIT/LWR E/E AND FWD CARGO. CHECKED CHILLER VENTS, NO ODOR PRESENT. ONLY ODOR NOTICED WAS A BURNT SMELL FROM COFFEE MAKER 1/2. REMOVED COFFEE MAKER AND FOUND HEAVY CRUD NEAR HEAT ELEMENT. REMOVED ALL COFFEE MAKERS AND CLEANED UNDERBASES NR 1 AND 2 WERE REPLACED.