Airworthiness Directive 49-05-03
one-timeAirworthiness Directives; Continental No. 40644. Continental Service Bulletin M48-30 covers this same subject. (Ryan Navion Field Service Bulletin No. 5 out
Which aircraft AD 49-05-03 applies to
Concerns Continental part No. 40644 (subject also covered by Continental Service Bulletin M48-30); Ryan Navion Field Service Bulletin No. 5 gives interim precautions for airplanes equipped with the unsatisfactory [part - text cut off].
Whether AD 49-05-03 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.