Air transportAirworthiness directive

Boeing

Airworthiness Directives; The Boeing Company Airplanes

What happened

The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 737 -300, -400, and -500 series airplanes. This proposed AD was prompted by reports of nuisance stick shaker activation while accelerating to cruise speed at the top of a climb due to frozen angle of airflow (AOA) sensor vanes. This proposed AD would require installing new external case heaters…

Quoted from FAA design approval and airworthiness documents in the Federal Register, 18 August 2026, under that publisher's own terms. US government work, public domain, 65 of 120 words quoted.

The facts

What happened
Airworthiness directive
When
18 August 2026
The company
Boeing, OEM
Subject
MRO and aftermarket
Where the entry came from
Found in the public record
First in the record
20 August 2026

Named in this entry

Every company whose name is printed on this page and that the record holds a page for. It says who is named here, not who works with whom.

What else the record holds on Boeing

The Boeing profile and all 11 entries

The source

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Published by
FAA design approval and airworthiness documents in the Federal Register, 18 August 2026
The original
Read the originalfederalregister.gov/…/airworthiness-dire…

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