The U.S. Defense Department grounded all of the agency’s F-35s for inspection after a crash last month.
Luke Air Force Base near Glendale grounded the 75 jets there Thursday for the inspections.
Several have already been cleared to fly now, with plans to have all inspected and ready to fly again by the end of the week.
The Air Force, Navy and Marine Corps have temporarily halted flights to inspect and, if necessary, replace fuel tubes.
The inspections come after an F-35 crash in South Carolina.
