As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE FUEL FILTER EICAS, RETURNED TO FIELD. REMOVED AND REPLACED LT ENGINE FUEL FILTER AS PER AMM, RAN ENGINE NO LEAKS NOTED. REMOVED & REPLACED LT ENGINE FUEL PUMP DIFFERENTIAL PRESSURE SWITCH IAW AMM. INSTALLED NEW FUEL DISTRIBUTION STRAINER ON NR 1 ENGINE PER AMM, OPS AND LEAK CHECKED GOOD.