THRUSH AIRCRAFT INC. MODEL S2R-G10
AIRPLANE MAINTENANCE MANUAL
Effective: 03/26/2010 Page 11-2
AIRWORTHINESS LIMITATIONS
The life limited parts on the airframe are listed in the chart below and must be replaced at the
flight hours shown.
STRUCTURAL LIMITATIONS
PART DESCRIPTION PART NUMBER LIFE LIMIT
Spar Cap Assy, Left hand
lower
22507T001 29,000 hours
Spar Cap Assy, Right
hand lower
22507T002 29,000 hours
STRUCTURAL INSPECTION LIMITATIONS
PART DESCRIPTION PART NUMBER LIFE LIMIT
Spar Splice Block, lower
(upper half)
22508T001 Annual
Spar Splice Block, lower
(lower half)
22508T002 Annual
*NOTE*
Visually inspect splice blocks with a 10X magnifying glass or dye penetrant. Inspect
for external cracks around the ¼, 5/16 and 3/8 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 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 splice blocks. Refer
to Section VIII “Wing Removal” for splice block removal and installation.
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