
The Air Force on Friday ordered a temporary, but indefinite, pause in flight operations for 13 F-35As due to peeling and crumbling insulation in avionics cooling lines inside fuel tanks, according to a service statement.The issue was discovered during depot modification of a F-35A and affects a total of 57 aircraft: 15 currently fielded, of which two belong to a partner nation. The 15 aircraft are 10 at Hill AFB, Utah; four at Luke AFB, Ariz.; and one at Nellis…