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Removing the R003-201 propeller blades and visually inspecting the propeller blade retainer ferrule for cracks.
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A positive locking device must be installed on the zipper in the baggage compartment bottom to prevent articles to fall through and foul the controls.
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Inspection of the left and right upper longerons for cracks using the dye penetrant technique.
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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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A condition exists where the flexible coupling connecting the vacuum pump may fail prematurely, causing a loss of vacuum/pressure with the resultant loss of vacuum/pressure instruments and other appliances.
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Solution for fuel line installation that is too close to the valve.
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These inspection notes are issued as a recommended check list to assist owners, operators, and maintenance personnel in keeping their Piper airplanes in an airworthy condition.
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Instructions to prevent the entry of fire and fumes into the cabin compartment in the event of a powerplant fire.
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Steps to prevent rain water from entering the fuel tanks.
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There have been two minor modifications in the tanks and fuel system lines since the change from ternplate to aluminum gasoline tanks, which occurred on Ercoupe Serial No. 2623.