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Checking fuel selector valve for ease of rotation and instructions for lubricating.
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Inquiries relative to the new "Duraclad" finish on our 1951 Model airplanes.
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Information concerning the use of safety belts which do not have TSO approval.
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Discussion concerning the useful life of the eight rubber engine support bushings, Lycoming part number 60883.
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Shock cord application chart for listed Piper models.
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Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.
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Approximate material required to recover Piper J-3, PA-11, PA-15, PA-17 and PA-18 aircraft using raw fabric and cellulose acetate butyrate dope.
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Outlines the repair of Univair STC'd Stamped Ribs in accordance with the original STC and FAA Advisory Circular AC 43.13-1B.
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Update to Service Letter #209.
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A recent fuel tank collapse was attributed to inadequate venting, caused by obstruction of the cap vent holes installed per Piper Service Bulletin No. 522.