What was found
APU OIL CONSUMPTION ABOVE LIMIT. HIGH OIL COMSUMPTION - FAULT ISOLATION. STARTED ALL OF A SUDDEN 03JUN. OIL IS DIFFICULT TO SEE IF NOT COKED. CHECK ALL LINES & "O" RING CONNECTIONS. ONE SUCH HOC WAS "O" RINGS ON THERMAL BYPASS VALVE. REPAIR OR REPLACE AS NEED & INCL FINDINGS IN ACP W-U. RDF-T :CHECK APU PER FIM 49-20-818 FOUND NO LEAK OR SMOKE FROM TAIL PIPE BUT CHECK MID BRG AND FOUND CHIPS WILL NEED APU CHANGE. REPLACED APU.