These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Airframe (7EC)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.
American Champion Aircraft Corporation 7, 8, and 11 Series Airplanes
Jul 13, 2001
Airframe (7EC)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.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
INSTALLED OIL QUICK DRAIN VALVE PN SG250 ON NEW AIRCRAFT/ ENGINE. AIRCRAFT FLEW APPROX 1 HOUR. OIL LEAK NOTICED FROM DRAIN VALVE. REMOVED VALVE TO FIND VALVE SNAP RING IN OIL DRAINED FROM ENGINE AND VALVE O-RING DAMAGED. ONE CUT THROUGH AND THE OTHER NICKED. INVESTIGATION REVEALED OIL DRAIN VALVE…
From FAA Service Difficulty Reports; matched by N-number and serial number.