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FAA orders · airworthiness directive · current

47-43-06: Aileron Support Ribs

FAA order 47-43-06 is an airworthiness directive. The FAA's subject line: Aileron Support Ribs. It names Cessna 120, Cessna 140: about 2,499 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: flight controls.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
Cessna Aircraft Company
Models
120, 140
On this site
Cessna 120 660 registered
Cessna 140 1,839 registered

Dates and paperwork

Docket
Unknown
Status
Current
The FAA's document
Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (785 characters)
47-43-06 CESSNA: (Was Service Note 4 of AD-768-5.) Applies to 120 and 140 Aircraft Serial Numbers 8001 to 10209, Inclusive. Inspection required whenever airplane is tied down in high winds without controls locked and upon each 100 hours of operation until Cessna parts 0422200-2 and 0422200-3 are installed. Inspect the aileron support ribs for indications of buckling or cracking, particularly in the narrow part of the web at the aft edge of the lightening hole and in the top flange just forward of the doubler plate. Any damaged support rib should be replaced with Cessna parts 0422200-2 (left) and 0422200-3 (right) which are made of 0.051-inch material and have a shorter lightening hole. (Cessna Service Letter No. 46 dated July 31, 1947, covers this same subject.)

Related safety bulletins advice on the same designs, not orders

2015-04-15CE-15-13 · FUSELAGE Seat Belt Mounting Bracket
2010-07-30CE-10-40R1 · Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes
2009-07-24CE-09-42 · Lights - Landing Light, Beacon Light and Taxi Light Switch Applications
2006-05-24CE-06-46 ·
2005-08-09CE-05-80 ·

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/47-43-06.json · aircraft systems.