ep: 7.1.1 Step: 7.1.2 Step: 7.1.3 WO #: SC13300 Invoice Number: 7113001462 Completed Removed throttle switches and knobs on #1 and #2 throttles P/N na S/N na and TR knob's P/N na S/N na. Note: Prior to knob removal, visual inspection revealed the No.1 throttle knob housing is cracked on the inboard side