What was found
DURING CLIMBOUT PASSING APPROX 33,000 FT 45 MIN INTO FLT, CABIN CREW AND PAX REPORTED STRONG BURNT ELECTRICAL ODOR BETWEEN ROW 20-23. C/W QRH PROCEDURES AND LANDED IN BOS. LANDING WAS NORMAL. LANDING WT=224,000 LBS. PERF 757 AMM TASK 05-58-910-801 SMOKE IN THE CABIN AND/OR FLT DECK. COULD NOT DUPLICATE OR DETECT ANY ODORS OR SMOKE. SUSPECT ROW 21E IFE BOX OVERHEATED. REF L/P 8763410 FOR MEL OF IFE SYS AND 8763411 FOR OVERWEIGHT LANDING INSP.