LUBRICANT INTERVAL Pulley Support Arm (M548A3) (see note 1) (O) GAA Fan Gear Box OE/HDO Drain and Level Check (M548A3) (see notes 2 and 3) (O) NOTE Add mark is even with bottom of sight glass. Full mark is even with center of glass. TOTAL MAN-HOURS INTERVAL MAN-HR S 0.4 M 0.3 Card 18 of 40