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US FAA issues emergency airworthiness directive for B737 'classic'

6-Apr-2011 12:19 PM

US Federal Aviation Administration issued (05-Apr-2011) an emergency airworthiness directive requiring inspections and actions to detect and correct cracking of aircraft fuselage skins on B737-300/400/500 aircraft. For aircraft with more than 30,000 flight cycles, inspections are required within 20 days. Aircraft with more than 35,000 flight cycles require inspection within five days. Repeat inspections are required every 500 flight cycles. Aircraft with fewer than than 30,000 flight cycles must be inspected before they reach 30,000 cycles. The FAA directive affects approximately 175 aircraft, of which 80 are in use in the US: 78 by Southwest Airlines and two by Alaskan Airlines.