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The recurrence of muffler failures has necessitated redesign of the muffler to eliminate the possibility of carbon monoxide being introduced into the cabin.
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Reports of internal corrosion found on Ercoupe aileron pushrod tubes.
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Visual inspection of the throttle cable and housing for fatigue and possible cracking.
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To eliminate the need for continuous re-oiling of the bellcrank as required in Ercoupe Service Memo No. 63, it is recommended that the assembly be reworked.
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A synthetic liner used as a hose connection in the Engine Oil Breather System has been found to separate from the hose structure, interfering with proper engine ventilation and leading to oil leaks.
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Turning propellers always present a dangerous situation. It is urged that precaution be taken and procedures established for safe deplaning of passengers.
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Alon, Inc. is inaugurating our Service Letter/Bulletin Compliance Program which will allow Alon, Inc. to more closely monitor the maintenance on the A2 Aircoupe.
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Acceptable handling methods for returning malfunctioning or warrantied instruments to Alon, Inc.
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The method now used for longitudinal trimming, in the present Ercoupe airplane, was adopted only after very careful consideration and with the thought that the safety quality of the plane would be definitely improved.
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Covers the tightening of the propeller hub bolts on the Continental hub used with the Continental C-75 and C-85 engines.