What was found
STRONG FUEL ODOR AFTER ENGINE SHUTDOWN THRU-OUT COCKPIT AND CABIN. RAN ENGINES TWICE, NO DEFECTS NOTED. FOLLOWED AMM 05-51-56-940-801-C1 UP TO AND INCLUDING STEP D8. FOUND NO DEFECTS. PERFORMED IDLE ENGINE RUN AND CHECKED FOR LEAKS ON ENG 2, NO LEAKS OR ODOR NOTED. CHECKED APU FOR LEAKS OR OVER SERVICING, NO DEFECTS NOTED. CONTINUE AMM 05-51-56-940-801-C1 STEPS D(9) ONWARD. PERFORMED REMAINDER OF AMM 05-51-56-940-801-C1, NO ODOR IN FLIGHT DECK OR CABIN. NR 2 ENGINE CHECKS GOOD.