Airlines said that because fan blades may have been repaired and moved to other engines, the order would affect far more than 220 of the CFM56-7Bs, which are made by a partnership of France's Safran and General Electric.
On Tuesday, Southwest Airlines flight 1380 was forced into an emergency landing after a fan blade broke off the engine and pieces smashed through a window mid-flight, the FAA said. The containment ring had likewise failed to protect the plane from shrapnel caused by the explosion.
Bank executive Jennifer Riordan died after being sucked half-out of a U.S. passenger jet flying at 32,000 feet when shrapnel from a blown engine smashed a cabin window.
The inspections will focus on the fan blades, the FAA said.
In a letter to passengers on Thursday, the airline expressed "sincere apologies" for the fatal incident and included the cheque, said Kamau Siwatu, who was aboard the flight, CNN reported. The plane made an emergency landing in Philadelphia.
The FAA has issued an Emergency Airworthiness Directive (EAD) on Friday, April 20, regarding CFM56-7B engines - the same engine type on the Boeing 737 airplane involved in the Southwest accident on Tuesday, April 17.
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The Italian has three Champions League titles to his name as a coach and has won the league in Italy, France, Germany and England. Phivos Zavros, a fan of the club for almost two decades, told the Gazette it was the right decision for all involved.
'Fan blade failure due to cracking, if not addressed, could result in an engine in-flight shutdown (IFSD), uncontained release of debris, damage to the engine, damage to the airplane and possible airplane decompression, ' the U.S. regulatory authority said. It requested that they use ultrasound scans to check the engines' fans.
He was one of the passengers who said they received the letter. One of the cracks was consistent with metal fatigue, he said. Passenger Jennifer Riordan was killed.
Philadelphia's medical examiner said the banking executive and mother of two from Albuquerque, New Mexico, died from blunt-impact injuries to her head, neck and torso. That number could be higher now because more engines have hit the number of flights triggering an inspection.
The manufacturer's recommendation for more inspections followed an engine blowup on a 2016 Southwest flight. "We would do a very methodical investigation", NTSB chairman Robert Sumwalt.
The directive comes after the left engine of Southwest Airlines Flight 1380 suddenly blew apart during a Tuesday flight from NY to Dallas.