TM 1-1520-238-PM 2–78 C1 PHASE NO. Area Name and No. AFT EQUIPMENT BAY – 11 Aircraft Serial No. Date Inspect Phase Nos. Inspection Requirements Status Faults and/or Remarks Action Taken Initial 2,4 5. Transmission accessory gearcase for oil leakage and component security. Access L325, T250L, T290L, T250R, T290R 2,4 6. Shaft driven compressor for cracks, oil leakage, and security. Access L325, T250L, T290L, T250R, T290R ALL 7. Shaft driven compressor surge and throttle valves for mounting security. C Access L325, T250L, T290L, T250R, T290R ALL 7a. Loosen and retorque the four mounting bolts that hold shaft driven compressor to the main transmission accessory gear box to 68 inch pounds. ALL 8. Shaft driven compressor inlet and outlet hoses for cracks, evidence of air leakage, and security. Access L325, T250L, T290L, T250R, T290R “FOD REMINDER” Check work area for tools and parts after completion of maintenance and inspection.