What was found
BOS - FLIGHT ATTENDANTS AND PASSENGERS REPORT SMELL IN CABIN FROM ROW 15 - 23, SOMETHING LIKE KEROSENE OR BURNING ODOR. MAINTENANCE ACCOMPLISHED J/C 43L00021001 WITH NO FINDINGS, ACCOMPLISHED T/S OF MID E-BAY COMPARTMENT, DUCTING, AND AVIONICS COOLING BLOWERS, CHECK THE RT PACK DUCTING. ACCOMPLISHED BORESCOPES OF BOTH ENGINES, ACCOMPLISHED FIM TASK 49-10-00-810-813A. NO CONTAMINATION FOUND PER APU INSPECTION, ACCOMPLISHED BAAT TEST, CHECKED CABIN FURNISHINGS FOR ODOR. REPLACED THE RECIRC FAN FILTERS.