What was found
DURING CRUISE, FLIGHT ATTENDANTS REPORTED AN ACRID METALLIC ODOR IN THE CABIN. TURNED OVENS OFF, ODOR WENT AWAY AND CONTINUED FLIGHT. 30 MINUTES LATER THE ODOR CAME BACK. THE ACFT DIVERTED, NO EMERGENCY DECLARED, FLIGHT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS GROUNDED. REPLACED THE RECIRCULATION FAN IAW AMM 21-21-51, OPS CHECKED GOOD.