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Procedure for examining both left and right Univair hydrasorb (U486-604-1) for any possible cracks or irregularities.
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Steps to detect evidence of fatigue cracks and/or distortion of rib flanges, and required repairs if damage is found.
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To forestall the possibility of engine fuel starvation during takeoff operations, install a placard on the right fuel quantity gauge.
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Correcting low oil temperature in the engine during cold weather operation.
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Interference of the torque tube with the front seat canvas and of the elevator bellcrank with the rear seat canvas.
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Installing an improved forward fuel header tank with thicker walls and welded seals, which provides greater resistance to impact rupture in the event of an accident.
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Downloadable paint scheme sheets for Piper J-5. Available for 1940 and 1941 models.
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Failures of the exhaust stacks have occurred in the area of the cabin heat muffs, causing hazardous carbon monoxide contamination of the cabin when cabin heat is used.
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Procedure for visual inspection of coating on fuel gauge cork floats and inner fuel tanks for deterioration.
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Instructions for compliance with Marvel-Schebler Division Bulletin No. A1-69.