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Boeing 737’s ‘defective’ Rudder System
Mains Paper 3: GS3-15.Science and Technology- Developments and their Applications and Effects in Everyday Life.
Why in the News?
- Certain variants of the Boeing 737, equipped with a rollout guidance actuator, are being investigated due to concerns about a potential jammed or restricted rudder control system.
What is a Rudder?
- The rudder is like the steering tool for an airplane.
- It’s part of the tail and helps the plane move left or right, similar to how a boat’s rudder steers on water.
- It’s important for making turns, landing in windy conditions, and keeping the plane going straight, especially if one of the engines fails.
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What does a Rudder Rollout Guidance Actuator do?
- It is a special device that helps the plane control its direction during landings when the plane is flying automatically with the autopilot.
- It’s especially useful during landings in bad weather with poor visibility, making sure the plane stays on the correct path on its own.
Why are certain Boeing 737 Planes being checked?
- Some Boeing 737 planes are being inspected because of a possible problem with their rudder system, which helps steer the plane during landing.
- An issue came up after a United Airlines flight in February 2024 had a situation where the rudder got stuck during landing, and the pilots had to work harder to control the plane.
- Investigators found that a part called the rudder rollout guidance actuator might have moisture and corrosion problems, which can cause the rudder to jam.
- This problem might affect a small number of Boeing 737 planes that use this system for automatic landings in bad weather.