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Recommended alternative for sloshing material outlined in service memorandum 33.
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Increasing the strength of the rudder at the control horn attachment.
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Addition of one long spring leaf, part number 12567-04, to prevent anticipated damage to the rudder while operating with heavy loads in rough terrain.
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A correction in the wiring on current models has been incorporated to completely eliminate the possibility of overheating the generator if the master switch is turned off in flight for a prolonged period of time.
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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 recent design change to the fuel tank caps has created a possible hazard to the venting system and it is therefore requested that the caps be reworked in the following manner.
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Rework to eliminate the possibility of fuel overflow and in-flight siphoning.
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Instructions for adding extension elbows to the mufflers of affected aircraft in order that their exhaust outlets be at least nine inches from their respective center lines.
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Trouble with the starter button sticking as a result of a loose connection in the starting circuit.
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Failure of the stabilizer rear bearing bracket as a result of improper or insufficient lubrication.