{"id":365105,"date":"2011-04-04T05:38:08","date_gmt":"2011-04-04T05:38:08","guid":{"rendered":"http:\/\/www.ghanamma.net\/2011\/04\/04\/cracks-in-three-other-us-planes\/"},"modified":"2011-04-04T05:38:08","modified_gmt":"2011-04-04T05:38:08","slug":"cracks-in-three-other-us-planes","status":"publish","type":"post","link":"https:\/\/www.ghanamma.com\/2011\/04\/04\/cracks-in-three-other-us-planes\/","title":{"rendered":"Cracks in three other US planes"},"content":{"rendered":"<p><div readability=\"98.073266727218\">\n    \t\t  <span><br \/>\n    <span>4 April 2011<\/span><br \/>\n<span>Last updated at <\/span><span>01:38 ET<\/span><br \/>\n<\/span><\/p>\n<p>Small, sub-surface cracks have been found in three more Southwest Airlines planes like those thought to have caused another to develop a hole in its cabin roof mid-flight, officials say.<\/p>\n<p>The National Transportation Safety Board said it had been informed there were additional crack indications in the lap joints on the Boeing 737-300s.<\/p>\n<p>Nineteen other 737-300s showed no problems and will return to service.<\/p>\n<p>The plane with the ruptured fuselage landed safely in Arizona on Friday.<\/p>\n<p>Some of the 118 people on board the flight, which had just taken off from Phoenix, reported hearing a loud bang as a 1.5m-long gash appeared.<\/p>\n<p>The hole caused a sudden drop in cabin pressure, forcing pilots to make a controlled descent from 10,485m (34,400ft) to a military base. No-one was seriously injured, though a flight attendant was slightly hurt.<\/p>\n<p>  <span>&#8216;New and unknown issue&#8217;<\/span><\/p>\n<p>On Sunday, a section of the 737-300&#8217;s ruptured fuselage was removed and sent to NTSB headquarters in Washington for in-depth analysis. <\/p>\n<p>NTSB investigators also conducted inspections of other portions of the lap joint along the fuselage and found evidence of additional cracks.<\/p>\n<p>  <!--  Embedding the video player --><br \/>\n<!--  This is the embedded player component --><\/p>\n<div readability=\"32\">\n<div>\n<div readability=\"7\">\n                                <img decoding=\"async\" class=\"holding\" src=\"http:\/\/www.ghanamma.net\/wp-content\/uploads\/2011\/04\/0f4b28be6715_de28-1.jpg.jpg\" alt=\"Passengers capture footage of the hole in the plane roof\" \/><\/p>\n<p><strong>Please turn on JavaScript.<\/strong> Media requires JavaScript to play.<\/p>\n<\/p><\/div>\n<p>        <!-- embedding script --><\/p><\/div>\n<p>            <!-- companion banner --> <\/p>\n<p>\t\t\t<!-- END - companion banner --><!-- caption --><\/p>\n<p>Passengers on board the Southwest Airlines flight described what happened<\/p>\n<p>\t\t<!-- END - caption -->\n        <\/div>\n<p><!-- end of the embedded player component --><\/p>\n<p><!-- Player embedded -->      <\/p>\n<p>Later, the federal agency <a href=\"http:\/\/www3.ntsb.gov\/Pressrel\/2011\/110403.html\">said in a statement<\/a> that it had been informed by Southwest that &#8220;crack indications in the lap joints have been identified on three airplanes they have inspected&#8221;.<\/p>\n<p>Southwest cancelled 600 flights over the weekend to allow engineers to carry out a special test developed by Boeing on 79 of its aircraft.<\/p>\n<p>Tests on the 57 remaining jets are expected to be completed by Tuesday evening. Further flight cancellations are likely until all are back in the air.<\/p>\n<p>The NTSB said Boeing would be drafting a &#8220;service bulletin&#8221; to describe the inspection techniques that they would recommend carrying out on similar planes with comparable flight cycles (take-offs and landings) as the one involved in the accident over Arizona, which was 15 years old. <\/p>\n<p>There are 931 such models in service worldwide, 288 based in the US.<\/p>\n<p>&#8220;What we saw with Flight 812 was a new and unknown issue,&#8221; <a href=\"http:\/\/www.swamedia.com\/releases\/f0e157e2-3c65-a6ca-163b-30004d98ede3\">said Mike Van de Ven, Southwest&#8217;s executive vice-president and chief operating officer<\/a>. <\/p>\n<p>&#8220;Prior to the event regarding Flight 812, we were in compliance with the FAA-mandated and Boeing-recommended structural inspection requirements for that aircraft,&#8221; he added.<\/p>\n<p>&#8220;We regret any customer inconveniences as a result of the inspections currently under way. Delays and cancellations are never the preference, however we are taking every precaution we can to ensure that our operation is safe.&#8221;<\/p>\n<p>Southwest changed its maintenance programme after metal fatigue caused a similar accident on another of its jets in 2009. Before then, the airline paid millions of dollars to settle charges that it was skipping inspections. <\/p>\n<p>In 1988, cracks caused a hole to open in an Aloha Airlines plane over Hawaii. In that accident, a flight attendant died.<\/p>\n<\/p><\/div>\n<\/p>\n<p>Read the original post:<br \/>\n<a target=\"_blank\" href=\"http:\/\/www.bbc.co.uk\/go\/rss\/int\/news\/-\/news\/world-us-canada-12954335\" title=\"Cracks in three other US planes\" rel=\"noopener noreferrer\">Cracks in three other US planes<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p> 4 April 2011 Last updated at 01:38 ET Small, sub-surface cracks have been found in three more Southwest Airlines planes like those thought to have caused another to develop a hole in its cabin roof mid-flight, officials say. The National Transportation Safety Board said it had been informed there were additional crack indications in the lap joints on the Boeing 737-300s<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-365105","post","type-post","status-publish","format-standard"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cracks in three other US planes - Ghanamma.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ghanamma.com\/2011\/04\/04\/cracks-in-three-other-us-planes\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Cracks in three other US planes - Ghanamma.com\" \/>\n<meta name=\"twitter:description\" content=\"4 April 2011 Last updated at 01:38 ET Small, sub-surface cracks have been found in three more Southwest Airlines planes like those thought to have caused another to develop a hole in its cabin roof mid-flight, officials say. 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