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Mandatory replacement of airspeed indicators.
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Installation of this boot will reduce the possibility of moisture accumulating between the oleo assembly and the oleo housing.
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Cracking in the leading edge of the streamlined tube of the landing gear at the point where the tube joins the inboard end of the axle.
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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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Instructions on the care and proper maintenance of the Ercoupe electrical system.
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Wood circuit protectors incorporate a safety feature that allows the circuit to be broken manually by pulling out the circuit protector push-pull button.
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Possibility that the shielding on the magneto ground wire may come in contact with the terminal at the magneto attachment, causing grounding of the magneto and resulting in engine failure.
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Describes the method to be used in reinforcing the nose structure of the ribs.
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Revises compliance time, purpose, and instructions for inspection and/or replacement of wing lift strut assembly. Also announces the availability of new sealed lift struts.
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Reinforce the upper end of the tie strap on the landing gear with a 4130 steel plate.