What was found
DEFECT: GATE RETURN FOR EXCESSIVE SMOKE FROM ENG#1. RESOLUTION: PERFORMED 79-05-TASK 801 NO EXTERNAL LEAKS NOTED. PERFORMED ENGINE VENT AND DRAINS INSPECT NO LEAKS NOTED PERFORMED SCAVENGE FILTERS INSPECTION. FOUND TEFLON MATERIAL IN FWD SUMP REF 79-00-200-804-F00 CONTINUE IN SERVICE. REF: LOG 705999 - 3/29/2022 - PERFORMED INSP. OF #1 ENGINE FWD SUMP SCAVENGE TUBE AND FWD SUMP SCAVENGE PORT ON LUBE UNIT IAW AMM 79-21-01-000-801. NO DEBRIS FOUND. THIS CLEARS GMM/MTI.