Airworthiness Directive 80-25-07 R1
one-timeAirworthiness Directives; This amendment 39-4220 becomes effective September 24, 1981. FOOTER: American Champion Aircraft Corp. Cessna Aircraft Company Moon
Which aircraft AD 80-25-07 R1 applies to
Applies to Stewart-Warner oil coolers installed on multiple airframes, including American Champion 7ECA/7GCAA/7GCBC/7KCAB/8GCBC/8KCAB, Cessna 152/172I/172K (list continues), Mooney M20G/M20J, and Piper PA-38-112, plus 2T-1A-1/2T-1A-2 (list truncated in source); amendment 39-4220 became effective September 24, 1981.
Whether AD 80-25-07 R1 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.