Air Force grounds 15 F-35As over coolant line flaws

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An F-35A Lightning II taxis across the flightline on Eglin Air Force Base, May 28, 2014. (Christopher Callaway/U.S. Air Force)
From Stripes.com
An F-35A Lightning II taxis across the flightline on Eglin Air Force Base, May 28, 2014. (Christopher Callaway/U.S. Air Force)

Air Force grounds 15 F-35As over coolant line flaws

by: Dianna Cahn | .
Stars and Stripes | .
published: September 17, 2016

The Air Force on Friday grounded 13 of its new F-35A aircraft after discovering that insulation around coolant lines inside the fuel tanks was peeling and crumbling. Two F-35As belonging to Norway were also grounded with the same damaged lines, the Air Force said.

The faulty insulation was found just weeks after the Air Force brought its first F-35A stealth fighters online in August.

Air Force personnel conducting routine maintenance discovered the problem, which affects 57 aircraft – including 42 in production in Fort Worth, Texas.

Air Force spokeswoman Ann Stefanek said the problem stemmed from faulty parts from one of two subcontractors used by Lockheed Martin.

Read more at: http://www.stripes.com/1.429464

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