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Inspect all control surface hinges for evidence of loose or working hinge pins at a frequency of not less than at time of each periodic.
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Frequently check for leakage or seepage of the fuselage fuel tank, and check all plumbing connections for proper tightness and weld seams of the tank for possible cracks.
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To provide a vertical support which will function in conjunction with the F-40400-86 horizontal support angle, install A40712-1 support spring as shown.
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Rework to eliminate the possibility of fuel overflow and in-flight siphoning.
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To preclude the possibility of skin cracking around the Camloc fasteners and reinforcement on the engine cowling doors, Alon recommends the following stiffener and reinforcement be added on each door.
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To keep foreign particles out of the wheel bearings on the main landing gear, perform the following steps to accomplish the inserting of a cork into each hollow main landing gear axle.
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To ensure that the rubber strips on the top of the rear engine baffles remain in place, it is necessary to staple them in six places.
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Replace the four sheet metal screws attaching your aircraft identification plate on with rivets or blind rivets.
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A correction in the wiring on current models has been incorporated to completely eliminate the possibility of overheating the generator if the master switch is turned off in flight for a prolonged period of time.
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In order to supply an alternate source of breather air to eliminate the possibility of pressurizing the engine case in the event that icing occurs at the breather tube end, a slot has been added to the lower portion of the breather tube.