Fuselage Frame - Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
WINGS
Inspect the wing skins for cracks, loose rivets,
4.
general condition of the paint, and corrosion.
Inspect the front and rear spar flanges, ribs, and
5.
other structures for cracks and corrosion.
6. Check the spray booms attach points for security.
Check the pitot line in the right wing for security
7.
and for air leaks. Drain the low spots.
Inspect the wing/fuselage attach angles for signs
8.
of cracks and corrosion.
Annually inspect the lower spar splice blocks (P/N
22508T001 upper half and P/N 22508T002 lower
half) as follows: Visually inspect splice blocks with
a 10X magnifying glass or dye penetrant. Inspect
for external cracks around the ¼ inch and 5/16
inch hole locations. If no cracks are detected this
portion of the wing inspection is complete. If
cracks are found remove the splice blocks before
9.
next flight and inspect the lower spar cap for
cracks in accordance with Thrush Aircraft Inc.
Service Bulletin SB-AG-39. If cracks are found in
spar cap contact Thrush Aircraft Inc for possible
repair or replacement. If no cracks are found in
spar cap, replace the cracked splice blocks with
new units. Refer to Section VIII "Wing Removal"
for splice block removal and installation.

FUSELAGE FRAME

Inspect the fuselage tubing for signs of corrosion
1.
or cracks, particularly around welds and in the
hopper area.
Check for elongated holes in the engine mount
2.
fittings and bell cranks.
Inspect all spring gear attachment fittings, main
3.
gear support beam, and beam end plates for
security, cracks, and corrosion.
Check the condition of the paint and refinish, if
4.
necessary.
Effective: 05/05/04
AIRCRAFT MAINTENANCE MANUAL
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