As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK. FLIGHT CREW REPORTED ECAM AFTER TAKEOFF: ENG1-FUEL FILTER CLOG. REPLACED NR 1 ENGINE FUEL FILTER IAW TSM 73-00-00-810-875, AMM 73-11-10-000-004, AMM 73-11-10-210-003, AND AMM 73-11-10-400-004. ALL SYSTEMS CHECKED NORMAL. PERFORMED LEAK CHECK OF NR 1 ENGINE FUEL FILTER USING MIN. IDLE CHECK IAW AMM 71-00-00-710-006. NO LEAKS FOUND.