Word: faa
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Dates: during 1970-1979
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...hours after learning of that discovery, the FAA grounded all DC-10s, the first time it had ever done so to a fleet of jetliners. The move immobilized 12% of the capacity of U.S. passenger planes and substantially disrupted air travel. By week's end ominous faults of various kinds -cracked plates, loose bolts-had turned up in the pylons of 36 of the inspected aircraft. After repair, one got back into the air, with FAA permission, joining 102 found to have no defects. But Philip Hogue, a member of the National Transportation Safety Board investigating the American crash...
...probe into the American crash seems certain to lead to a broader and deeper investigation, going all the way back to the initial design of the DC-10 by McDonnell Douglas Corp. and its certification by the FAA. The Government's recommendations about the DC-10 will largely depend on what the NTSB's crash detectives eventually find to be the "probable cause" of Flight 191's crash. The accident left no survivors to interview, and the cockpit voice recorder disclosed only two sounds after the routine checklist readings: an unexplained thud and the single word "Damn...
...vibration and acoustics on engine pod and pylon attachments in all superjets, including those flown by the Air Force. If the NTSB eventually finds the DC-10 pylons are too weak, it could recommend that the plane be grounded again until they are strengthened or replaced, and the FAA most likely would issue such an order...
Also being critically examined last week were the procedures of the FAA, which writes the rules for inspecting jetliners and then supervises the work. There was a growing suspicion that the FAA may have relaxed too much, lulled by the fine safety record of jetliners. Shortly after the broken bolt was discovered, the FAA stipulated that pylon inspections had to be repeated every ten days or 100 flying hours, whichever came first. Formerly, it had been done only once a month or every 400 hours...
...FAA will decide in mid-April if there is a need for an EIS, Stone said. "The impact of community views will depend not on their loudness but on their validity," he added...