Extra 300/SC - Page 70

MAINTENANCE MANUAL EXTRA 300/SC
CHAPTER 05
PAGE 32
PAGE DATE: 1. August 2014
Inspector:
Mechanic:
Inspections
Date:
Serial No.:
1000 hours
Fuselage
O 1 Remove cuffs, main and bottom fuselage cover as per Chapter 53.
O 2 Inspect cuffs, main and bottom fuselage cover for soft areas, dents,
cracks, delamination, damaged screw holes and tearing of edges.
Inspect heat shield for cracks and loose rivets.
O 3 Inspect tubular steel frame visually for corrosion, scratches and dam-
ages.
O 4 Check wing main spar attachment for damage and corrosion. Inspect
for dents and cracks.
O 5 Detailed visual inspection of the sheet metal of the wing auxiliary spar
attachment for damage, corrosion. Inspect the sheet metal supports
using a fluorescent dye penetrant to insure no cracks are evident.
Control system
O 1 Detailed visual inspection of torque tube for damages, cracks, free-
play (especially in the rear torque tube bearing). Check travel stop
adjustments.
O 2 Inspect bell cranks for damage, corrosion, security of mounting and
link bolts through wing access holes.
O 3 Inspect metal control rods for corrosion. Inspect for loose or popped
rivets. Check for general condition.
O 4 Check fiber composite control rods for general condition.
O 5 Inspect rod end bearing for play. Check for free movement and clean-
liness.
O 6 Inspect control rods for loose or popped rivets, and bearing play. Check
for general condition.
O 7 Inspect control sticks (rear & front) for full travel, proper rigging,
free-play, security of mounting and direction of control surface move-
ment with relation to stick movement.
O 8 Detailed visual inspection of control cables and PTFE-coating.
O 9 Check condition, attachment and function of trim servo.
O 10 Detailed visual inspection of trim tab actuator levers for damages and
cracks. Ensure proper attachment and condition of friction.
O 11 Check trim actuator rods for condition. Inspect for play.
SCHEDULED MAINTENANCE CHECKS
Significant Items Inspection