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Inspect for fatigue cracks in the elevator spar web at the hinges.
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Directions to insure that the competition harness (also referred to as the ACRO harness) is installed properly.
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Fatigue failures have continued to occur in the rudder main rib where the control horn is attached after installation of reinforcement plates.
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Blade retaining flanges, P/N 3277 must be replaced with P/N 3277-1.
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Bolts 415-34330 are made of case hardened, SAE 1113 steel, and a few of them purchased from an outside source have been found to be too brittle. Immediate replacement with standard AN 5-26 bolts is strongly recommended.
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Information on the allowable oil temperature range for satisfactory hot weather operation of the Continental 65hp and 85hp engines.
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Explanation why the shape of grommet U10293-000 doesn’t match the shape of inspection plates U60742-000 and U60742-001.
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Excerpt of FAR Part 43 Maintenance, Preventive Maintenance, Rebuilding, and Alteration.
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Inspect for crushing of the stabilizer front spar and the aluminum alloy reinforcing spacers.
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In some instances, fuel has been observed flowing during flight from the vented fuel-filler caps. To preclude this condition, accomplish the following instructions.