Does anyone know the story behind this item on the TCDS ? It seems clear regarding the 7EC but how does this apply to a 7CCM or 7DC?
109. Carburetor restricted air filter assembly, Champion dwg. 2-957 1 l b .
( a ) Models 7CCM, 7DC
Note: 2-957 restricted filter assembly required on Model 7EC with auxiliary
wing tank fuel system installed.
Post-War Aeronca Champ airplanes
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