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75-09-06: Engine Induction Air Duct

FAA order 75-09-06 is an airworthiness directive in force since May 5, 1975. The FAA's subject line: Engine Induction Air Duct. It names Cessna A185 Skywagon, Cessna A188: about 1,623 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.

What it applies to as the FAA lists it

Kind of product
Aircraft
Makes
Cessna Aircraft Company
Models
A185E, A185F, A188, A188A, A188B
On this site
Cessna A185 Skywagon 1,372 registered
Cessna A188 251 registered

Dates and paperwork

In force since
May 5, 1975
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 (879 characters)
75-09-06 CESSNA: Amendment 39-2176. Applies to A185 series (Serial Numbers 18502008 through 18502650) airplanes and A188 series (Serial Numbers 18800833 through 18801374). Compliance: Required as indicated, unless already accomplished. To preclude the collapse of the existing flexible engine induction air duct, within the next 50 hours' time in service after the effective date of this AD, accomplish the following: Replace the flexible engine induction air duct with a new flexible engine induction air duct (P/N 1650044-1); duct adapter (P/N 1652021-10); and drain line (P/N 0700147-82)(A185 only), in accordance with Cessna Service Letter SE75-5, dated February 7, 1975, or later approved revisions, or any alternate means of compliance approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. This amendment becomes effective May 5, 1975.

Related safety bulletins advice on the same designs, not orders

2025-07-282025-07 · Reciprocating Engine Supercharger
2021-08-26AIR-21-16 · FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt Inspection
2018-11-21SW-18-31 · NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM
2018-07-19CE-18-23 · Passenger Compartment Equipment - Installation of F. Atlee Dodge Aircraft Services LLC. Folding Jump Seats
2012-01-25CE-12-14 · Three Alternative Methods of Compliance for AD 2011-10-09

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 October 30, 2026. Connections as data: /graph/directive/75-09-06.json · aircraft systems.