TM 55-1520-240-PM PHASE NO. _____ Area Name and No. Aircraft Serial No. Date AFT ROTOR AND PYLON, AREA #6 Inspect Phase No’s Inspection Requirements Status Faults and/or Remarks Action Taken Initial ALL/C 6.13 Remove aft vertical shaft filter, inspect, clean and reinstall. ALL 6.14 Cruise guide indicator signal processor for condition and security. ALL/C 6.15 Upper boost servocylinders for leaks and security, chafing or interference with adjacent structure components.  Support fittings for wear, damage, and cracks. Adjacent structure for cracks, buckling, and loose or missing rivets. Bearings and bushings for condition, radial and axial play. ALL 6.16 Swashplate for signs of damage, overheating, and accumulation of grease. Using a flashlight or other suitable light source, visually inspect with a mirror or flexible borescope the area between the underside of the rotating ring and stationary ring for any slinging or clumping or grease/debris (i.e., seal, bearing cage, seal spring, wire, or other material). A thin bead of grease around the sealing area is considered normal. "FOD REMINDER" Check work area for tools and parts after completion of maintenance and inspection. 2-38