Dozens of 737NG planes grounded worldwide after cracks

Boeing announced last year that dozens of popular 737NG planes stopped service after a crack was detected.

New difficulties have drastically reduced the problems faced by US manufacturers. This led to the CEO's resignation after a fatal crash in connection with the sharp profits, federal investigations, and the 737 MAX, the successor to the 737NG.

Australian state airline Qantas said that after inspecting 33 jets that have flown more than 22,600 times, cracks were found in three of the 737NGs and stopped repair service.

According to Seoul authorities, nine planes were installed in South Korea this month, including planes operated by Korean Air this month. The American airline Southwest Airlines had three planes out of service due to this issue.

Other major airlines said the inspection showed no cracking in the aircraft.

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Boeing previously reported a problem with the "pickle fork," a part that helps tie the wings to the fuselage.

Earlier this month, US regulators ordered inspections of older NG aircraft, instructing them to check for flights with more flight time within seven days.

A spokesman for the Federal Aviation Administration said he couldn't fly the plane until the issue was resolved.

A Boeing spokesman on Thursday said that less than 5 percent of 1,000 airplanes in Sydney's AFP detected cracks and landed for repair.

Boeing and Qantas stressed that we shouldn't worry about travelers.

Andrew David, CEO of Qantas Domestic, added, "We will never fly unsafe aircraft."

"Even if this hairline crack is present, it is not an immediate risk, and it is evident from the fact that it has not been checked for at least seven months."

David said three 737 landers flew about 27,000 times, and there were no problems with other aircraft with the same number of flights.

Stephen Fankhauser, an aviation expert at Swinburne University of Technology, Australia, said the structure was "designed to withstand some degree of damage or deterioration."

"The inspection period is set so that the cracks do not continue to grow to dangerous lengths and do not significantly damage the strength of the aircraft."

Some airlines are still checking

On October 3, the FAA immediately checked the Boeing 737NG plane, which had flown more than 30,000 times.

In the next 1,000 trips, the order said, an airplane with at least 22,600 flight cycles should be inspected.

Australia's Virgin Airways checked 17 Boeing 737NG planes but found no problems, an Australian air regulator spokesman said.

Ryanair of Irel and continues to review the aircraft and said he did not expect the issue to affect flight or aircraft availability.

Norway said its fleet "don't worry right away" because Boeing aircraft on the AFP are still relatively new. Transavia France said it has started inspection of 38 jets so far that no cracks have been found.

US airlines and United Airlines have said no cracks have been found on the plane to date and Delta has not reported structural problems on the 737 plane.

Southwest Airlines said it has repaired three NG planes for repair and still checks some.

A Southwest spokesman said, "We continue to work on future repairs of the three NG aircraft identified with Boeing, and there is no clear schedule for when the plane will return to service."

A spokesman for the Australian Aviation Regulatory Agency said the industry's response was "to resolve potential potential sprouting issues by taking precautions now."

The Qantas General Assembly had asked to ground the entire fleet of 737s until the check was completed, but the airline said it was "fully irresponsible."

Chris Snook, Head of Engineering, Quants Engineering, says cracks do not immediately impair the safety of the aircraft.

Source: AFP