AD 80-21-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 7ECA | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GC | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GCA | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GCAA | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GCB | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GCBA | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7GCBC | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7HC | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7KC | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
| aircraft | American Champion Aircraft Corp. | 7KCAB | Airworthiness Directives; BELLANCA (CHAMPION) Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA, 7GCAA, 7GCBC, 7KCAB, and 8KCAB Airplanes. |
Unsafe Condition
Degradation of the induction system icing protection or partial engine power loss due to cracking or deterioration of the baffle installation within the muffler core and body assemblies (Bellanca (Champion) P/Ns 3-1079 or 3-1493).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the baffle installation within the muffler core and body assemblies (Bellanca (Champion) P/Ns 3-1079 or 3-1493) for cracking or deterioration with mufflers removed. Replace any muffler showing cracking or deterioration with an airworthy muffler core and body assembly of the same or other FAA approved part number. Allow special flight permits under FAR 21.197/21.199 to relocate to a suitable base for inspection. Equivalent methods must be approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 25 hours time in service, or 60 days after the effective date of this AD, whichever occurs first, and thereafter at intervals not to exceed 100 hours time in service, or 12 months from the last inspection, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
American Champion Aircraft Corp. Models 7GC, 7GCB, 7HC, 7KC, 7GCA, 7GCBA, 7ECA (Serial Numbers prior to 985-74), 7GCAA (prior to 280-74), 7GCBC (prior to 604-74), 7KCAB (prior to 405-74), and 8KCAB (prior to 120-74).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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