The U.S. Federal Aviation Administration and Boeing have privately issued notifications that the fuel switch locks on Boeing planes are safe, a document seen by Reuters showed and four sources with knowledge of the matter said.

The U.S. Federal Aviation Administration and Boeing (NYSE:BA) have privately issued communications stating that the fuel control switch locks found on various Boeing aircraft, including the 787, don’t pose a safety risk,

The FAA and Boeing have confirmed the safety of fuel switch locks on Boeing planes following a crash involving a 787-8 model. The FAA issued a Continued Airworthiness Notification, stating no unsafe condition exists,