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.
PenneyVanderbilt 
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