As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
P1-L ENG FUEL FILTER EICAS MSG IN FLIGHT, INITIALLY WITH FLUCTUACTION ON L EGT THEN EGT NORMAL . EICAS CLEARED AFTER 15 MIN. L ENG FILT STATUS MS REMAINED (RESOLVED ON W/O: 122976 TASKCARD: N/R-00001 ) REMOVED AND REPLACED LH ENGINE FUEL FILTER ELEMENT IAW B767 AMM 73-11-02.