Boeing
7 days ago

Lion Air discovers structural cracks on newer 737s

Lion Air Boeing 737-800
Lion Air Boeing 737-800, © The Boeing Company

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JAKARTA - Lion Air has found structural cracks in two Boeing Co 737 NG planes with fewer flights than a U.S. Federal Aviation Administration (FAA) threshold for checks, Indonesia's aviation safety regulator said on Friday. The issue becomes a widespread concern among 737 operators worldwide.

The discovery could make it more likely the FAA will require airline operators to inspect 737 NGs with fewer than 22,600 cycles, which had not been mandated previously. Each cycle typically represents one flight, with a takeoff and a landing.

The cracks are on what is known as the "pickle fork," a part that attaches the plane's fuselage, or body, to the wing structure. An FAA spokesman said the agency had asked operators to report any cracks so it could assess whether it needed to change its inspection orders.

The Lion Air jets with cracks had fewer than 22,000 cycles and are now grounded for repairs, a spokesman for the airline said. Lion Air performed the checks even though they were not yet required to "ensure security and safety of the flights," he said.

One of the airline's newer 737 MAX jets last year crashed shortly after takeoff from Jakarta, killing all 189 people on board and leading to heightened scrutiny on the carrier's maintenance operations by Indonesia's safety regulator.

Indonesia's Director General of Civil Aviation Polana Pramesti said on Friday there were no plans for the country's aviation regulator to expand the inspections beyond the FAA directive.

The FAA requires immediate checks of aircraft with more than 33,000 cycles and inspections within the next 1,000 cycles for those with more than 22,600 cycles.

Boeing did not respond to an immediate request for comment. The manufacturer last week said that just over 1,000 planes globally had met the threshold for inspections to date, and of those fewer than 5% had issues.

Southwest Airlines Co, Brazil's Gol Linhas Aereas Inteligentes SA, Australia's Qantas Airways and Korean Air Lines Co Ltd are among the airlines that have grounded planes after discovering cracks.
© Reuters, aero.uk | Image: Boeing | 08/11/2019 14:13


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