US aviation regulators are planning to require emergency inspections of one of the most popular jet engines in the world as a result of the fatal accident earlier this week on a Southwest Airlines plane.
The call for additional inspections reflected "information gathered from the investigation of Tuesday's Southwest Airlines engine failure", the FAA said. The FAA said its directive would affect more than 350 engines in the USA and hundreds more worldwide.
Over the past week the entire airline industry was shocked after the unfortunate death of a woman that was caused by an exploding engine on a Southwest Airlines flight.
CFM recommended that fan blades with 20,000 cycles should be inspected by the end of August.
Jennifer Riordan, 43, was sitting in the window seat next to the wing.
Fortunately, the passenger compartment remained intact and the pilot was able to make an emergency landing in Pensacola, Florida without any injuries. The airline eventually did begin conducting inspections of certain engine fan blades.
At a press conference Tuesday evening, NTSB head Robert Sumwalt told reporters that investigators had discovered substantial evidence of metal fatigue in the area where the fan blade separated from the hub.
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While wind and debris swirled around the depressurized cabin, 20 minutes passed as Shults maneuvered the plane on just one engine, deftly rerouting it to Philadelphia for an emergency landing.
The divergence marked a rare difference of approach between the two agencies, especially on one of the world's most-used aviation products.
The CFM56-7B engine was manufactured by CFM International, a joint venture between General Electric Co.
"Everybody is talking about Tammie Jo and how cool and calm she was in a crisis, and that's just Tammie Jo", Rachel Russo, who attends church with Shults, said. CFM also urged the Federal Aviation Administration to issue an Airworthiness Directive to ensure prompt compliance with the recommended inspections.
Several other domestic airlines, including Delta and American, also began inspections of certain engine fan blades a year ago following the 2016 incident, according to Bloomberg.
Southwest said after the incident that it was accelerating its existing engine inspection program "out of an abundance of caution" and expected to complete it over the next 30 days. It said that any fan blades that failed the inspection would have to be replaced.
Southwest already announced it was starting an "accelerated inspection" of its fleet after the deadly failure, and other airlines have announced their own inspection plans.