What was found
INSPECTION TYPE:ETOP ELECTRICAL BURNING ODOR NOTED IN FLIGHT. BOTH PACKS RUNNING. ODOR DISSIPATED THEN NOTICED MORE STRONGLY UPON BLOCK IN. AFTER BLOCK IN, ODOR WAS STRONGER IN AFT RT TUNNEL OF E/E BAY. COULD NOT PIN POINT SOURCE. RAN BOTH ENGINES, PACKS. APU OPENED AND CHECKED ALL ELECTRICAL CABINETS AND CHECKED. CLOSED ALL CABINETS FOUND NO EVIDENCE OF BURNING OR SMOKE. C/W TASK 21-00-21-102-030-767.