AD 80-21-06 Muffler Core and Body Assembly

Title: Bellanca (Champion) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7KCAB, and 8KCAB Airplanes

Effective Date: October 16, 1980

Subject: Inspection of baffle installation, muffler core, body assembly

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