The US Air Force (USAF) and Lockheed Martin have found a potential fix for the longeron cracks that were discovered in some of the service's F-16 fighter aircraft.In August, the USAF grounded 82 of its F-16D aircraft after an immediate time action compliance technical order (TCTO) found structural cracks in the canopy sill longerons between the front and rear pilot seats, as reported by Flightglobal.
US Air Force Materiel Command spokeswoman Sue Murphy said the proposed permanent repair would involve installing a strap over the cracked longeron, instead of replacing it.
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