What was found
AIRCRAFT WAS NOT GROUNDED: ON FINAL APPROACH AND AFTER LANDING, FLIGHT ATTENDANTS REPORTED A BURNING SMELL IN THE AFT AND FORWARD GALLEYS. MX COULD NOT REPRPRODUCE. ON NEXT FLIGHT ODOR REAPIRED AND MX FOUND FOUND FWD GALLEY OVEN NR 1 BURNING ODOR. REMOVED AND REPLACED FWD GALLEY NR 1 OVEN IAW AMM 25-32-03. ALSO FOUND AFT GALLEY NR 2 COFFEE MAKER BURNED HEAT PLATE. REMOVED AND REPLACED AFT GALLEY NR 2 COFFEE MAKER IAW AMM 25-32-01. REF MIC 7638142.