As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG 4 FUEL FILT IN CRUISE, SELF-CLEAR WITHIN 10 - 15 SECONDS STATUS MSG. ENG 4 FUEL FILT NR 4 ENG FUEL FILTER ELEMENT REPLACED. FUEL LEAK CHECKED CUT OUT & SATISFACTORY IAW AMM 73-11-02. ENG NR 4 GND IDLE RUN TEST PERFORMED IAW AMM 71-00-00. NIL PLF & EXISTING FAULT NOTED.