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Yesterday, the Federal Aviation Administration (FAA) called
for emergency fatigue checks on 80 Boeing 737s built in the 1980s and 1990s.
The mandatory inspections were issued after the hull of a Southwest Airlines
jet was ripped open mid-flight on Friday. "This
action is designed to detect cracking in a specific part of the aircraft that
cannot be spotted with visual inspection," said the head of the FAA in a
statement.
The Southwest jet opened up along a line of rivets,
otherwise known as a lap joint. Instead of bolting hull plates together, they
overlap by about four inches and are held in place by three rows of rivets.
After Friday's incident, Southwest grounded a number of planes
and initial inspections of their 300 series 737s found at least three others
with cracking in the fuselage.
The FAA's emergency checks will involve "time consuming and repetitive"
electromagnetic checks that are not typically required for the fuselage area of
the plane.
Do you think older planes should undergo more thorough
testing?
Sources: Reuters,
Washington
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