What was found
AT APPROX 4000 FEET, ELECTRICAL FUMES PRESENT IN COCKPIT. NO SMOKE OBSERVED. C/W BOTH ENGS BORESCOPE INSP, REMOVED AND REPLACED A/C COALESCER BAGS, INSP ACM''S, INSP FWD E&E COMPT AND E&E EQUIPMENT IN COCKPIT. NO DEFECT NOTED. FOUND RADAR FILTER CLOGGED, SUSPECT RADAR R/T OVERHEAT. CLEANED FILTER. OPS CK GOOD PER MM.