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Due to the independent suspension of the floats, racking loads imposed by rough water operation can cause extensive structural damage. As a result, the following inspections and modifications are necessary.
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Remove the tires and inspect the wheel flanges for fatigue cracks.
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Inspecting the existing aluminum vertical stabilizer forward attach fitting for cracks, and replacing any cracked parts.
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Inspecting the wing lift struts for corrosion and forks for cracks, and making necessary repairs.
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Steps to correct an unsafe condition in the main gear (Met-Co-Aire Tricycle Landing Gear).
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Extreme surface corrosion has been found to exist inside the fuselage spar carry through structures of Luscombe Series 8 aircraft, particularly in those airplanes located near coastal areas.
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Inspect wing drag wire system for loose or broken drag wires and inspect ribs for damage.
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To prevent possible locking of aileron system at full throw, install carry-through bar between the ends of the aileron control chain.
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Inspect the two bolts attaching the horizontal stabilizer to the fin post for tightness and proper length.
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Failures of the exhaust stacks have occurred in the area of the cabin heat muffs, causing hazardous carbon monoxide contamination of the cabin when cabin heat is used.