What was found
IAW T/C 78273000, FOUND NR 1 ENGINE CDU MESSAGE 73-31071, FUEL FILTERS SIGNALS DISAGREE, FLIGHT LOGGED 3,5,7 LONG TERM FAULT. ACFT GROUNDED. PERFORMED FIM 73-05 TASK 801. FOUND FROM DP0808 PIN L, K WITH 18 OHMS. HARNESS CHECKED GOOD. REMOVED AND REPLACED FFDPS S241 LEAK CHECKED GOOD IAW AMM 73-34-01. EEC TEST IAW AMM 73-21-00-700-804 AND ACTUATORS TEST IAW AMM 71-00-00-700-807, PASS PER J8 HARNESS INSTALL IAW AMM 73-21-06-400-801. GROUND VERIFICATION SUCCESSFUL IAW FIM 73-05 TASK 801 (F) REPAIR CONFIRMATION. FUEL FILTER BYPASS LIGHT DOES NOT COME ON DURING IDLE ENGINE RUN.