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To advise the pilot concerning proper fuel transfer pump operation, install Javelin Placard 782-14 or an equivalent FAA-approved placard, adjacent to the fuel transfer pump switch.
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Issues with the Piper PA-22 Taildragger Conversion belly pans not fitting correctly on some aircraft.
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Steps to prevent exhaust system cracking.
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Recommended repair for fuselage skin cracks at rear wing spar.
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A list of the various finishes used on the interior and exterior of all Piper aircraft models J-3 thru PA-30, dated 1950 through 1964.
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Piper parts applicability from parts manuals.
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To prevent loss of rudder control inspect the rudder control system and modify the rudder bellcrank assembly in a manner prescribed in this AD.
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Failures of the rudder horn attachments, attributed to improper ground handling technique rather than to unusual flight loads.
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A placard titled "INTENTIONAL SPINS PROHIBITED," must be installed in full view of the pilot on all 415-C or CD Ercoupes that have rudder pedals.
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Inspect the attachment of lower hinge and if cracks have developed in the spar or rib reinforce with .040 dural or steel channel as shown.