What was found
"ENG 4 FUEL FILT" EICAS STATUS MSG DISPLAYED. DIFFERENTIAL PRESSURE ACROSS NR 4 ENGINE FUEL FILTER APPROACHES BYPASS. REPLACED FUEL FILTER, LEAK CKS AND OP CKS GOOD IAW MM. IDLE RUN ACPD, ALL SYS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"ENG 4 FUEL FILT" EICAS STATUS MSG DISPLAYED. DIFFERENTIAL PRESSURE ACROSS NR 4 ENGINE FUEL FILTER APPROACHES BYPASS. REPLACED FUEL FILTER, LEAK CKS AND OP CKS GOOD IAW MM. IDLE RUN ACPD, ALL SYS NORMAL.