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Replacing aluminum aileron hinge reinforcing bracket with one made of steel, part number 10931-02.
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Difficulty in the rudder control system in which the shaft of the bellcrank assembly froze in the Bakelite bushing so that it made the rudder control difficult to operate.
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List of parts required for the conversion of a PA-11 65hp to a PA-11 90hp.
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Subject: This comprehensive inspection report provides recommendations for an inspection program per requirements of FAR Part 43 and Advisory Circular 91-60 (The Continued Airworthiness of Older Airplanes). Applicability: J-2 Series Cub J-3...
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Subject: Typical and maximum number of exposed strut threads as permitted for rigging on Piper aircraft. Applicability: Piper J-3, J-4, J-5, and PA-11 through PA-22 Download PDF: Lift-Strut-Fork-Extension.pdf Piper Strut Thread (Typical ...
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Misalignment of the oil radiator lines on the Lycoming 0-290-D2 135 horsepower engines at the point where they pass through the rear engine baffle.
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How to fix difficulties with the fabric where it attaches to the fuselage under the windshield top and/or directly over the rear edge of the windshield top attachment channel.
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Covers modifications on the Aeromatic F200/00-76B propeller to reduce exposure to a condition that causes fatigue stress.
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Addresses a potential for impulse coupling failure, which can result in total loss of engine power.
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Install additional brace tube to prevent possible failure of the tailpipe and cracking of the muffler.