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Steele writes: "Airlines are shipping maintenance work offshore for the reason you'd expect: to cut labor costs. Mechanics in El Salvador, Mexico, China, and elsewhere earn a fraction of what mechanics in the U.S. do."

American Airlines airliners. (photo: Trey Ratcliff/
American Airlines airliners. (photo: Trey Ratcliff/

Outsourced to Avoid Regulations: The Disturbing Truth About How US Airlines Maintain Their Planes

By James B. Steele, Vanity Fair

13 November 15


In the last decade, most of the big U.S. airlines have shifted major maintenance work to places like El Salvador, Mexico, and China, where few mechanics are F.A.A. certified and inspections have no teeth.

ot long ago I was waiting for a domestic flight in a departure lounge at one of the crumbling midcentury sheds that pass for an American airport these days. There were delays, as we’ve all come to expect, and then the delays turned into something more ominous. The airplane I was waiting for had a serious maintenance issue, beyond the ability of a man in an orange vest to address. The entire airplane would have to be taken away for servicing and another brought to the gate in its place. This would take a while. Those of us in the departure lounge settled in for what we suspected might be hours. From the window I watched the ground crew unload the bags from the original airplane. When the new one arrived, the crew pumped the fuel, loaded the bags, and stocked the galley. It was a scene I’d witnessed countless times. Soon we would board and be on the way to our destinations.

As for the first airplane, the one with the maintenance problem—what was its destination going to be? When you have time on your hands, you begin to wonder about things like this. My own assumption, as yours might have been, was that the aircraft would be towed to a nearby hangar for a stopgap repair and then flown to a central maintenance facility run by the airline somewhere in the U.S. Or maybe there was one right here at the airport. In any case, if it needed a major overhaul, presumably it would be performed by the airline’s staff of trained professionals. If Apple feels it needs a “Genius Bar” at its stores to deal with hardware and software that cost a few hundred dollars, an airline must have something equivalent to safeguard an airplane worth a few hundred million.

About this I would be wrong—as wrong as it is possible to be. Over the past decade, nearly all large U.S. airlines have shifted heavy maintenance work on their airplanes to repair shops thousands of miles away, in developing countries, where the mechanics who take the planes apart (completely) and put them back together (or almost) may not even be able to read or speak English. US Airways and Southwest fly planes to a maintenance facility in El Salvador. Delta sends planes to Mexico. United uses a shop in China. American still does much of its most intensive maintenance in-house in the U.S., but that is likely to change in the aftermath of the company’s merger with US Airways.

The airlines are shipping this maintenance work offshore for the reason you’d expect: to cut labor costs. Mechanics in El Salvador, Mexico, China, and elsewhere earn a fraction of what mechanics in the U.S. do. In part because of this offshoring, the number of maintenance jobs at U.S. carriers has plummeted, from 72,000 in the year 2000 to fewer than 50,000 today. But the issue isn’t just jobs. A century ago, Upton Sinclair wrote his novel The Jungle to call attention to the plight of workers in the slaughterhouses, but what really got people upset was learning how unsafe their meat was. Safety is an issue here, too. The Federal Aviation Administration is supposed to be inspecting all the overseas facilities that do maintenance for airlines—just as it is supposed to inspect those in America. But the F.A.A. no longer has the money or the manpower to do this.

One of the fastest-growing of the offshore repair sites is on the perimeter of El Salvador’s Monseñor Óscar Arnulfo Romero International Airport. Named for the archbishop who was assassinated during Mass in 1980, the airport has become a busy hub, owing largely to a steady influx of foreign jetliners needing maintenance and repair. Jets flying the insignia of US Airways, Southwest, Jet Blue, and many smaller American carriers are a common sight as they touch down and taxi to the Aeroman complex at the edge of the field.

Aeroman was once the repair base for El Salvador’s modest national airline. It has mushroomed into a complex of five hangars, 18 production lines, and numerous specialty shops that perform virtually all phases of aircraft overhaul. The company has picked up the familiar multi-national technobabble, describing itself as a “world leader in providing aircraft-maintenance solutions.” About 2,000 mechanics and other employees work in the company’s tightly guarded airport compound, encircled by a fence and barbed wire.

The airplanes that U.S. carriers send to Aeroman undergo what’s known in the industry as “heavy maintenance,” which often involves a complete teardown of the aircraft. Every plate and panel on the wings, tail, flaps, and rudder are unscrewed, and all the parts within—cables, brackets, bearings, and bolts—are removed for inspection. The landing gear is disassembled and checked for cracks, hydraulic leaks, and corrosion. The engines are removed and inspected for wear. Inside, the passenger seats, tray tables, overhead bins, carpeting, and side panels are removed until the cabin has been stripped down to bare metal. Then everything is put back exactly where it was, at least in theory.

The work is labor-intensive and complicated, and the technical manuals are written in English, the language of international aviation. According to regulations, in order to receive F.A.A. certification as a mechanic, a worker needs to be able to “read, speak, write, and comprehend spoken English.” Most of the mechanics in El Salvador and some other developing countries who take apart the big jets and then put them back together are unable to meet this standard. At Aeroman’s El Salvador facility, only one mechanic out of eight is F.A.A.-certified. At a major overhaul base used by United Airlines in China, the ratio is one F.A.A.-certified mechanic for every 31 non-certified mechanics. In contrast, back when U.S. airlines performed heavy maintenance at their own, domestic facilities, F.A.A.-certified mechanics far outnumbered everyone else. At American Airlines’ mammoth heavy-maintenance facility in Tulsa, certified mechanics outnumber the uncertified four to one. Because heavy maintenance is labor-intensive and offshore labor is cheap, there’s a perception that the work is unskilled. But that’s not true. If something as mundane as the tray of a tray table becomes unattached, the arms that hold it could easily turn into spears.

There are 731 foreign repair shops certified by the F.A.A. around the globe. How qualified are the mechanics in these hundreds of places? It’s very hard to check. In the past, when heavy maintenance was performed on United’s planes at a huge hangar at San Francisco International Airport, a government inspector could easily drive a few minutes from an office in the Bay Area to make a surprise inspection. Today that maintenance work is done in Beijing. The inspectors responsible for checking on how Chinese workers service airplanes are based in Los Angeles, 6,500 miles away.

Lack of proximity is only part of the problem. To inspect any foreign repair station, the F.A.A. first must obtain permission from the foreign government where the facility is located. Then, after a visa is granted, the U.S. must inform that government when the F.A.A. inspector will be coming. So much for the element of surprise—the very core of any inspection process. That inspections have had the heart torn out of them should come as no surprise. It is the pattern that has beset the regulation of drugs, food, and everything else.

What effect does all this offshoring have on the airworthiness of the fleet? No one gathers data systematically on this question—which is worrying in itself—but you don’t have to look far in government documents and news reports to find incidents that bring your senses to an upright and locked position. In 2011, an Air France Airbus A340 that had undergone a major overhaul at a maintenance facility used by U.S. and European airlines in Xiamen, China, flew for five days with 30 screws missing from one of its wings. The plane traveled first to Paris and then to Boston, where mechanics discovered the problem. A year earlier, an Air France Boeing 747 that had undergone major maintenance at another Chinese facility was grounded after it was found that some of the plane’s exterior had been refinished with potentially flammable paint.

In 2013, yet another Air France aircraft, this one an Airbus A380 en route to Caracas from Paris, had to make an unscheduled landing in the Azores when all the toilets overflowed and two of the airplane’s high-frequency radios failed. The Air France pilots’ union said the incidents occurred on the airplane’s first commercial flight after heavy-maintenance work in China. The company that performed the work also does maintenance for American. (Air France has denied that the problems were associated with maintenance done in China.)

In 2009, a US Airways Boeing 737 jet carrying passengers from Omaha to Phoenix had to make an emergency landing in Denver when a high-pitched whistling sound in the cabin signaled that the seal around the main cabin door had begun to fail. It was later discovered that mechanics at Aeroman’s El Salvador facility had installed a key component of the door backward. In another incident, Aeroman mechanics crossed wires that connect the cockpit gauges and the airplane’s engines, a potentially catastrophic error that, in the words of a 2012 Congressional Research Service report, “could cause a pilot to shut down the wrong engine if engine trouble was suspected.”

In 2007, a China Airlines Boeing 737 took off from Taiwan and landed in Okinawa only to catch fire and explode shortly after taxiing to a gate. Miraculously, all 165 people on board escaped without serious injury. Investigators later concluded that during maintenance work in Taiwan mechanics had failed to attach a washer to part of the right wing assembly, allowing a bolt to come loose and puncture a fuel tank. China Airlines does maintenance work for about 20 other carriers.

Airline mechanics at U.S. airports who perform routine safety checks and maintenance tasks before an airplane takes off report that they are discovering slipshod work done by overseas repair shops. American Airlines mechanics contended in a lawsuit last January that they had been disciplined by management for reporting numerous safety violations they uncovered on airplanes that had recently been serviced in China. Mechanics in Dallas said they had discovered cracked engine pylons, defective doors, and expired oxygen canisters, damage that had simply been painted over, and missing equipment, among other violations. An American spokesperson denied the allegations, contending that the airline’s “maintenance programs, practices, procedures and overall compliance and safety are second to none.” Citing a lack of jurisdiction, a federal judge dismissed the lawsuit. The F.A.A., however, is investigating the allegations.

With huge subsidies, the Chinese government has created an aircraft-maintenance industry almost from scratch—building hangars, hiring mechanics, and aggressively courting airlines to have work done in the People’s Republic. Even engine repairs and overhaul—the highly skilled aircraft-maintenance work that has remained largely in the U.S. and Europe—may follow heavy maintenance to the developing world. Emirates, the airline owned by the Gulf states, is constructing a $120 million state-of-the-art engine-repair-and-overhaul facility in Dubai.

Not everyone in official Washington is oblivious to what has been happening. The inspector general’s office of the Department of Transportation has repeatedly called for the F.A.A. to demand more stringent reporting requirements. It needs to know where maintenance work is being done, and by whom. In 2003, the inspector general called on the F.A.A. to require drug testing of workers at foreign repair stations as a condition of F.A.A. certification. Twelve years later, the agency still has no such requirement. Similarly, there are no mandatory security checks for workers at foreign airplane-repair stations. In 2007, workers on a Qantas jet undergoing heavy maintenance in Singapore were reportedly members of a work-release contingent from a nearby maximum-security prison, though the airline denied the allegation.

In addition to sending work offshore, airlines are also outsourcing more maintenance work—including heavy maintenance—to private contractors in the U.S. Many of the issues that plague the foreign shops—unlicensed mechanics, workers who don’t speak English, and poor workmanship—are also present at some of these private American repair shops. The F.A.A. at least has the capability to inspect domestic facilities more frequently than it does those overseas. (Despite frequent attempts, the F.A.A. did not respond to requests for information or comment on the issues raised in this story.)

The reality is that from now on it’s going to be up to the airlines to police themselves. With the F.A.A. starved for funds, it will be left to the airlines to oversee the heavy maintenance of their aircraft. Have you noticed that this sort of arrangement never works? The F.A.A.’s flight-standards office in Singapore—the only field office it maintained in the entire developing world—once had half a dozen inspectors responsible for visiting more than 100 repair stations in Asia: not enough, to put it mildly, but they could accomplish something. By 2013 the number of inspectors was down to one. Now there is no one at all.

And I will confess that thinking about all this in the departure lounge puts the prospect of endless delay into perspective. Yes, I’ll happily wait a little longer to board my flight—and then hope for the best. your social media marketing partner
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