What was found
EN ROUTE FROM DFW TO PHX THE FLIGHT ATTENDANTS REPORTED AN ELECTRICAL BURNING ODOR IN CABIN, 5 MINUTES LATER RECEIVED R RECIRC FAN EICAS MESSAGE. MAINTENANCE ISSUED DPI MEL 21-25-1, COND. 1, RT RECIRC FAN INOP. ON 11/12/2003 MAINTENANCE REMOVED AND REPLACED RT RECIRCULATION FAN IAW T/C R2B21601, OPERATIONAL CHECK WAS GOOD. VENDOR FUNCTIONAL CHECK OF RECIRCULATION FAN S/N 72-810 CONFIRMED FAILURE OF UNIT. TEARDOWN OF UNIT REVEALED THE BEARINGS WERE SEIZED. REMOVED AND REPLACED BOTH BEARINGS IAW CMM 2-25-04, REV. 5.