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The decal originally attached to the propellers of aircraft indicated by the above serial numbers is incorrect. The incorrectly marked decal must be removed and replaced with the correctly marked decal.
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Instructions for applying the recommended fuel valve lubricant in the listed Piper models.
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Per Lycoming Division of Avco Corporation, it is permissible to use a torque value of 40 inch pounds to provide adequate tightness to maintain proper engine support in lieu of the linear dimension as previously specified.
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Points to remember when conducting routine inspections of the oil cooler lines and fittings.
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Federal Aviation Agency release pertaining to flight control hazards and protection from icing.
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Proper maintenance and inspection procedures of exhaust systems and heat exchangers for the listed models.
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Availability of a modification kit to incorporate the latest type carburetor air filter system on the aircraft models listed above.
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Instructions for the removal and replacement of brake drums on Goodrich D3-13A-1 wheels.
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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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Procedures for replacing brake drum flanges on PA-22, PA-23, PA-24 and PA-25 wheel assemblies.