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Inspection for evidence of cracks and rework instructions of the vertical stabilizer attachment fitting.
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Material list and instructions to reinforce the area where the fabric 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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Procedures for replacing brake drum flanges on PA-22, PA-23, PA-24 and PA-25 wheel assemblies.
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Instructions on the installation of the 5.00 x 5 and 6.00 x 6 nose wheels on Ercoupes, especially those subject to unusually rough landings or operating from unusually rough fields.
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Information on the installation of Franklin 6A4-165-B3 165hp engine and rudder bungee on Stinson 108 and 108-1 airplanes.
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Steps to prevent loss of the elevator control system as a result of worn clevis bolts.
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Necessary redesign of certain parts of the fuel system due to operational difficulties and failures which have occurred in the field.
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Procedure for replacing the fuselage gas tank overflow line due to the imperial brass compression sleeve having necked the line causing it to fail.
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Inspection of motor mount for cracks in the tubing near the welds, especially in the member from the top firewall bulkhead to the rear engine mounting bosses.
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Reports have been received indicating that movement of the nose gear can be restricted due to binding of the upper nose gear oleo bearing due to lack of lubrication.