What was found
FLIGHT ATTENDANTS REPORTED A PLASTIC, TENNIS SHOE, MILDEW ODOR IN THE CABIN AT 35,000 FEET. THE AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED A CABIN ODOR TROUBLESHOOTING JC 26L00021001. MAINTENANCE IDENTIFIED THE SOURCE AS THE FORWARD GALLEY OVEN AND REPLACED OVEN IAW AMM 25-35-19-0401.