FAA Proposes Heaters for Boeing 737-300, -400, and -500 Angle of Attack Sensors
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Table of Contents
The Federal Aviation Administration (FAA) has proposed a new airworthiness directive (AD) for specific Boeing 737-300, -400, and -500 airplanes. An AD is a legally enforceable regulation that requires aircraft owners to perform specific maintenance or inspections.
Why it matters: This is a targeted safety fix for a specific, older generation of Boeing 737s. While the warning is described as a “nuisance” rather than a crash-causing event, false stall warnings can startle pilots and lead to unnecessary or incorrect control inputs. The practical impact is that operators of these specific aircraft models will need to budget for new hardware and additional maintenance labor.
Who it affects
- Operators of Boeing 737-300, -400, and -500 series airplanes
This information is based on a proposed rule from the Federal Aviation Administration published in the Federal Register; readers should check the original document for specific compliance deadlines and technical details before relying on it.
Agency: Transportation Department, Federal Aviation Administration
Source: Federal Register — read the official document