{"id":364417,"date":"2011-04-03T21:33:45","date_gmt":"2011-04-03T21:33:45","guid":{"rendered":"http:\/\/www.ghanamma.net\/2011\/04\/03\/holed-us-jet-had-metal-fatigue\/"},"modified":"2011-04-03T21:33:45","modified_gmt":"2011-04-03T21:33:45","slug":"holed-us-jet-had-metal-fatigue","status":"publish","type":"post","link":"https:\/\/www.ghanamma.com\/2011\/04\/03\/holed-us-jet-had-metal-fatigue\/","title":{"rendered":"Holed US jet &#8216;had metal fatigue&#8217;"},"content":{"rendered":"<p><div readability=\"79.815217391304\">\n    \t\t  <span><br \/>\n    <span>3 April 2011<\/span><br \/>\n<span>Last updated at <\/span><span>17:33 ET<\/span><br \/>\n<\/span><\/p>\n<p>An examination of a US plane that developed a hole in its cabin roof in mid-flight has found evidence of metal fatigue in the fuselage.<\/p>\n<p>The hole caused a sudden drop in cabin pressure, and Flight 812 from Phoenix to Sacramento was forced to make a steep descent and emergency landing. <\/p>\n<p>The jet carrying more than 100 people landed safely in Arizona.<\/p>\n<p>Owners Southwest Airlines cancelled 300 flights on Sunday to allow for inspections of 79 of its aircraft.<\/p>\n<p>One flight attendant was slightly injured during the incident on Friday but no-one was seriously hurt.<\/p>\n<p>There were 118 passengers and crew on board the 15-year-old plane.<\/p>\n<p>Investigators said the rip began where two outer panels were riveted together, and that the area around it showed evidence of pre-existing cracking due to fatigue.<\/p>\n<p>&#8220;We did find evidence of widespread cracking across this entire fracture surface,&#8221; National Transportation Safety Board member Robert Sumwalt told reporters. <\/p>\n<p>The plane is one of the oldest in Southwest&#8217;s fleet and has made thousands of flights, but the company said it had undergone all required inspections. <\/p>\n<p>Describing the incident, passenger Brenda Reese said the plane had just left Phoenix when she heard a &#8220;gunshot-like sound&#8221;.<\/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>Witnesses said a couple of people nearly passed out while scrambling for oxygen masks.<\/p>\n<p>Aviation officials said the pilot made a controlled descent, dropping 8,000m (25000ft) from 11,000m in about five minutes.  <\/p>\n<p>The same thing happened to another Southwest jet in 2009. Then, metal fatigue was the cause.<\/p>\n<p>The company changed its maintenance programme as a result, but before that incident Southwest Airlines paid millions of dollars to settle charges it was skipping inspections. <\/p>\n<p>In 1988, cracks caused a hole to open in an Aloha Airlines plane over Hawaii. In that incident, a flight attendant died.<\/p>\n<\/p><\/div>\n<\/p>\n<p>View original post here:<br \/>\n<a target=\"_blank\" href=\"http:\/\/www.bbc.co.uk\/go\/rss\/int\/news\/-\/news\/world-us-canada-12953424\" title=\"Holed US jet 'had metal fatigue'\" rel=\"noopener noreferrer\">Holed US jet &#8216;had metal fatigue&#8217;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p> 3 April 2011 Last updated at 17:33 ET An examination of a US plane that developed a hole in its cabin roof in mid-flight has found evidence of metal fatigue in the fuselage. <\/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-364417","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>Holed US jet &#039;had metal fatigue&#039; - 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