9.4
Component life / major inspections.
9.4.1 It is recommended that after 1000 hours or 5 years that the Skyranger should
be subject to a major strip down inspection. This inspection should include the
following points:
•
All elements of MMS-1 annual check
•
Removal of covering (exception may be made for painted coverings)
•
Replacement of leading and trailing edge spar to fuselage securing
bolts
•
Replacement of the bolts that attach the leading and trailing edge
securing U channel to the fuselage structure.
•
Replacement of the lift strut securing bolts (see para 9.4.4 for specific
life)
•
Replacement of all fastenings exhibiting corrosion or significant wear
•
Detailed inspection of all airframe components for distortion, corrosion
and wear. Replace where required.
•
Detailed inspection of all critical bolted joints for movement and
cracking of holes.
9.4.2
Elevator cables
should be regularly inspected for wear at the point where
they pass through the pulleys behind the control stick. They must be replaced
either on condition or at a maximum of 500 hours.
9.4.3
All other control cables
should be changed on condition or at a maximum
of 1000 hours.
9.4.4
Lower lift strut bolts
must be changed at a maximum of 500 hours, due to
fatigue life analysis.
9.4.5
Aileron torque tube forward pivot bolt
Over time this will wear the
aluminium aileron horn that pivots around it. This assembly should be
dismantled at 500 hours for detailed inspection. Replace the horn and bolt if
excessive wear is present.
Skyranger Operators Manual, Issue 1, AL0, June 2002
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