As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND NR 1 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH FUNCTION TEST FAIL. IAW AMM 73-34-01-024-001 REV 125 AND AMM 73-34-01-424-008 REV 125 REPLACE NR 1 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH WITH NEW PARTS. IAW AMM 71-00-00-712-168 REV 125 NR 1 ENG FUEL FILTER DIFFERENTIAL PRESSURE SWITCH LEAK CHECK AND NO LEAK WAS FOUND. COMPLETED THIS JOB AND CONDITION CHECK NORMAL.