MD Helicopters MD Explorer - Page 206

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 252
Revision 34
05-50-00
Table 212. Main Rotor Overspeed, 106 to 110% N
R
, Power On, Conditional Inspection (Cont.)
Registration No. Serial No. Helicopter Total Hours
Model Initial
Ref. RMM
Section
Requirement
Main Rotor
900 Examine main rotor blades:
 Examine blades for correct installation and obvious damage
 Examine retention bolts for correct installation and looseness
62−10−00
900 Examine pitch links:
 Examine for obvious damage and deformation
 Examine fasteners for correct installation and looseness
62−20−00
900 Examine main rotor dampers (via inboard ends of pitch cases) for
signs of damage and/or delamination of elastomer.
62−20−00
900 Examine pitch cases:
 Examine exterior and inboard and outboard ends for obvious
damage
 Examine pitch horns for obvious damage, deformation, and
installation
62−20−00
900 Examine centering bearings (via inboard ends of pitch cases) for
signs of damage and/or delamination of elastomer.
62−20−00
900 Examine (borescope) flex beams:
 Examine for cracks and delamination
 Examine inboard areas for signs of hard contact with main rotor
hub
62−20−00
900 Examine main rotor hub assembly:
 Do an eddy current inspection of the upper hub assembly
 Examine lower main rotor hub assembly for cracks and
deformation
 Examine fastener installation
62−20−00
CSP−SPM
20−90−00
900 Examine drive link assembly and adjacent components and
fasteners:
 Examine for obvious damage and deformation, and make sure
there is correct freedom of movement
 Examine fasteners for correct installation and looseness
67−20−00