| 2026-17-10 | Reciprocating Engine Cylinder Section | Sep 14, 2026 | Engine (O-235-K2C)Serial numbers per Table 2 or Table 3 of Lycoming Mandatory Service Bulletin No. 667A, dated March 12, 2026. Only with: Installed piston pin P/N LW-13445 with an OEM FAA Form 8130-3 production dated between January 7, 2021 and December 15, 2025, or where the production date cannot be determined or the form is unavailable. |
| 2009-22-02 | American Champion Aircraft Corp. Models 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, and 8GCBC… | Dec 3, 2009 | Airframe (7ECA)Only with: Manufactured prior to 1989 and equipped with folding rear seat backs. |
| 2005-24-10 | American Champion Aircraft Corporation Models 7AC, 7ACA, S7AC, 7BCM, 7CCM, S7CCM, 7DC… | Jan 17, 2006 | Airframe (7ECA)Only with: Models 7ECA, 7GCAA, 7GCBC, 8KCAB, 8GCBC manufactured before August 12, 2005 with less than 250 hours TIS; or any listed model with a flight control cable (or wing retrofit kit cable) purchased from ACAC before August 12, 2005 installed and less than 250 hours TIS since installation. |
| 2000-25-02 R1 | American Champion Aircraft Corporation 7, 8, and 11 Series Airplanes | Jul 13, 2001 | Airframe (7ECA)Only with: Airplanes equipped with wood wing spars; Group 1 vs Group 2 depends on whether the engine has been modified to greater than 90 horsepower. |