TM 1-1520-238-PM
274
PHASE NO.
Date
Aircraft Serial No.
Area Name and No.
MAIN ROTOR 10
Inspect
Phase
Nos.
Initial
Action Taken
Faults and/or Remarks
Status
Inspection Requirements
ALL
19.
Lower shoe for worn scissors bearing.
C
ALL
20.
Main rotor hub nut for corrosion,
stripped threads, cracks, or failure.
C
Magnetic particle inspect hub nut.
ALL
21.
Check rotor hub static droop angle.
C
2,4
22.
Mast tube for cracks, dents, distortion,
or corrosion. Swashplate sliding surface
C
for grooved, flaked, or worn-through
plating.
FOD REMINDER
Check work area for tools and parts after completion of maintenance and inspection.