TM 55-1520-240-PM PHASE NO. _____ Area Name and No. Aircraft Serial No. Date FORWARD ROTOR, CROWN, AND TUNNEL, AREA #7 Inspect Phase No’s Inspection Requirements Status Faults and/or Remarks Action Taken Initial ALL/C 7.32 Forward rotary-wing head for corrosion, damage, and cracks in pitch-varying housing, pitch shaft, and web areas of hub. Head retaining nut for security and installation of washer and retaining ring. Access 30, 72 2, 4, C 7.33 Drain and service all rotary-wing head reservoirs. ALL/C 7.34 Check forward rotary-wing head retaining nut for specified torque. Refer to TM 55-1520-240-23. ALL/C 7.35 Inspect the installed horizontal hinge pins and bearings per TM 55-1520-240-23. ALL/C 7.36 Forward rotary-wing head droop stops (blades raised) for damage, wear, and security. Retorque fixed droop stop retaining bolts. Access 30, 72 "FOD REMINDER" Check work area for tools and parts after completion of maintenance and inspection. 2-51