What was found
RETURNED & ACFT WAS GNDED. FLIGHT CREW REPORTED AN OIL FILTER CLOG ECAM MSG ON THE NR 1 ENG DURING CLIMB OUT & RETURNED WHERE THE ACFT LANDED SAFELY. FOUND PARTICLES IN THE OIL FILTER & INSPECTED THE MASTER CHIP DETECTOR, FWD SUMP SCREEN, AFT SUMP SCREEN, ACCESSORY GEAR BOX SUMP SCREEN & THE TRANSFER GEAR BOX SUMP SCREEN WITH PARTICLES ONLY BEING FOUND ON THE FWD SCREEN. CLEANED THE FWD SUMP SCREEN & REPLACED THE OIL FILTER IAW TSM 79-00-00-810-820-A, AMM 79-21-10-920-002-B, 79-21-10-400-007-A & 79-00-00-281-006-A. A GND ENG RUN WAS ACCOMPLISHED WITH NO LEAKS BEING NOTED OR ADDITIONAL PARTICLES FOUND. SEE AALA201606069003 FOR ADDITIONAL PART.