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
AFT ROTOR AND PYLON, AREA #6
2, 4, C
6.1 Drain and service all rotary-wing
head reservoirs.
ALL/C
6.2 Check aft rotary-wing head
retaining nut for specified torque.
Refer to TM 55-1520-240-23.
ALL/C
6.3 Inspect the installed horizontal
hinge pins and bearings per TM
55-1520-240-23.
ALL/C
6.4 Perform eddy current inspection
of area surrounding the vertical web
lightening holes on rotor hubs that
contain such lightening holes.
ALL/C
6.5 Aft 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 5, 47
"FOD REMINDER"
Check work area for tools and parts after completion of maintenance and inspection.
2-35
