Description
The 3940484-4 is a genuine Textron Aviation forward shelf spt assembly 172 — a factory assembly of several components supplied together as one serviceable unit. It is applicable to the Skyhawk. It carries an export classification of ECCN 9A991.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the 3940484-4 is built to the aircraft maker's specification and cross-references the type design as documented in the maintenance data. Choosing the genuine part over an unapproved substitute preserves configuration control and simplifies inspection sign-offs.
Across the Cessna Skyhawk fleet, correctly identified factory parts like this keep every airframe consistent and configuration-correct.
As a factory-supplied item for a type-certificated aircraft, this part is defined by the manufacturer's specification and applicability data. On a certificated airframe, part provenance matters as much as the part itself; genuine factory sourcing settles that question up front.
The value of an OEM part is as much in its paperwork and pedigree as its metal — both of which an aircraft's records require. Genuine factory parts carry the documentation and traceability that maintenance and airworthiness records depend on — assurance a look-alike substitute cannot provide.
Built by Textron Aviation, whose Cessna line was founded in Wichita, Kansas in 1927 and joined Textron in 1992, this part carries one of general aviation's most storied names. With over 44,000 built, the Cessna Skyhawk is the best-selling aircraft ever made and is still produced today.
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