AD 89-18-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 7ECA | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
| aircraft | American Champion Aircraft Corp. | 7GCAA | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
| aircraft | American Champion Aircraft Corp. | 7GCBC | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
| aircraft | American Champion Aircraft Corp. | 7KCAB | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
| aircraft | American Champion Aircraft Corp. | 8GCBC | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
| aircraft | American Champion Aircraft Corp. | 8KCAB | Airworthiness Directives; AMERICAN CHAMPION AIRCRAFT Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB Airplanes |
Unsafe Condition
Failure of the seat back which could result in loss of control of the airplane
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 25 hours time-in-service after the effective date, inspect the welded lower seat frame side-tube/side-brace junction and seatback hinges for cracks using magnetic particle or dye penetrant inspection. Placard the instrument panel with a warning: 'Do not pull or push on upper seat back.' Replace the front folding seat frame with an exchange unit per Service Letter No. 401 within 150 hours time-in-service. Repeat inspections every 25 hours until replacement is done.
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 after the effective date of this AD and, thereafter at intervals not to exceed 25 hours time-in-service until replacement per paragraph (b). The replacement must be done within the next 150 hours time-in-service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
American Champion Aircraft Corp. Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8GCBC, and 8KCAB (all serial numbers) equipped with front folding seats.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.