What was found
AT FL300 STRONG SMELL OF KEROSENE WITH EYEBALL VENTS OPEN IN COCKPIT. CREW HAD TO DON OXYGEN MASKS. TROUBLESHOT, RAN APU & BOTH ENGS WITH BLEEDS ON INDEPENDENTLY, COULD NOT DUPLICATE DISCREPANCY. R & R CONDENSER SOCK, INSPECTED, CLEANED & DRIED AT DUCTS. RAN APU & BOTH ENGS AT HIGH POWER WITH BLEEDS ON & TRANSFERRED FUEL FROM BOTH TANKS. NO EVIDENCE OF FUEL LEAKS OR ANY ABNORMAL ODORS FOUND. LEAK & OPERATIONAL CHECKED GOOD. WORK PERFORMED IAW AMM 21-51-00 12-19-02.