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Boeing grounds at least 50 737NG jetliners worldwide due to cracks

MORE cracks detected have caused American aircraft manufacturer, Boeing to announced Thursday (October 31, 2019) that up to 50 of its popular 737NG planes have been grounded, with Australian national carrier Qantas becoming the latest airline to take one of the planes out of the air.

Qantas also said it would urgently inspect 32 other 737NG aircraft but insisted passengers had nothing to fear.

Following the Qantas announcement, a Boeing spokesperson on Thursday told AFP in Sydney that less than five percent of 1,000 planes had cracks detected and were grounded for repair.

The spokesperson did not give an exact figure, though five percent equates to 50 planes of 1,000 inspected.

Boeing had previously reported a problem with the model’s “pickle fork” — a part that helps bind the wing to the fuselage.

This prompted U.S. regulator to order immediate inspections of aircraft which had seen heavy use, early this month.

Boeing spokesperson said the company “regrets the impact” the issue was having on its customers and was “working around the clock” to fix the problem.

“Boeing is actively working with customers that have airplanes in their fleets with inspection findings to develop a repair plan, and to provide parts and technical support as necessary,” the spokesperson said in a statement.

The NG is a precursor plane to the Boeing 737 MAX, which has been grounded since mid-March following the two deadly crashes in Indonesia and Ethiopia.

Boeing is still trying to restore its safety reputation after the two 737 MAX crashes last year that killed 346 people and highlighted problems with the planes’ flight handling software.

Boeing chief executive Dennis Muilenburg faced another round of tough questions on Wednesday from U.S. lawmakers who accused the company of a “lack of candor” over the crashes.

However, Qantas reaction to ground its aircraft came after authorities in Seoul said nine of the planes were grounded in South Korea in early October, including five operated by Korean Air.

Boeing and Qantas stressed travelers should not be concerned.

“We would never operate an aircraft unless it was completely safe to do so,” Qantas head of engineering Chris Snook said.

But the discovery has heightened fears that the scale of the 737NGs’ problem may have been underestimated.

The U.S. Federal Aviation Administration had initially ordered immediate checks of Boeing 737NG planes that had flown more than 30,000 times.

But Qantas said it had found the fault in a more lightly used aircraft than those singled out for early checks — one that had recorded fewer than 27,000 flights.

“This aircraft has been removed from service for repair,” Qantas said in a statement, adding it had hastened its inspections of 32 other 737NG planes to be completed by Friday.

The airline said it generally used the aircraft on domestic routes, flying primarily between major cities as well as shorter-haul trips to New Zealand.

A spokesman for Australia’s aviation regulator said the industry response was about “nipping a potential safety problem in the bud by taking proactive action now”.

Australia’s Virgin Airways also conducted checks on its 17 Boeing 737NG planes and did not find any issues, the regulator spokesman added.

But there were calls for Qantas to ground its entire 737 fleet until checks were complete.

“These aircraft should be kept safe on the ground until urgent inspections are completed”, an engineers’ union representative, Steve Purvinas, said in a statement.

Qantas described the call to ground its 737 fleet as “completely irresponsible”.

“Even when a crack is present, it does not immediately compromise the safety of the aircraft,” said Snook.

Stephen Fankhauser, an aviation expert at Australia’s Swinburne University of Technology, said the parts were designed so the “structure can tolerate some level of damage or degradation”.

“The inspection period is set to ensure the cracks do not continue to grow to a dangerous length and then significantly compromise the strength of the airframe,” he said.

Sourced from Agence France-Presse (AFP)

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