What was found
NR 1 ENG ECM MONITORING SHOWING INCREASED OIL CONSUMPTION. REFER TO FIM 71-05 TASK 830 AND PERFORM ENGINE CHECK NR 7-OIL LEAKS PER FIM 71-08 TASK 819 PAYING PARTICULAR ATTENTION TO RECENT DISTURBED COMPONENTS: OIL TANK & LINES (REMOVED FOR AIR SHIP), ANGLE GRBX (REPLACED AT LAST SHOP VISIT). ALSO CHECK OIL FILTER HOUSING & AIR OIL COOLER WHICH HAVE BEEN FOUND LEAKING ON OTHER PW4077-90 ENGINES. ACP ALL OF TASK 819 IN THE FIM AND COMPLETED UP TO PARA B (4) ON TASK 830 OF FIM PER SAMC ENG CONTROLLER NEXT STEP TO ACP PARA B (6) OF TASK 830. DRAINED GEARBOX, APPROX 1. 5 QTS, ACPD HIGH PWR RUN WITH DRAIN TUBES BAGGED. NO SIGNS OF LEAKAGE NOTED.