By David Shepardson, Abhijith Ganapavaram and Allison Lampert WASHINGTON/NEW DELHI/MONTREAL (Reuters) -The U.S. Federal Aviation Administration and Boeing have privately issued notifications that the fuel switch locks on Boeing planes are safe,

Investigators released a preliminary account of the crash, describing how the plane struggled after its fuel supply was cut.

Fuel switch locks have come under scrutiny after a preliminary report into the crash of an Air India's Boeing 787-8 jet that killed 260 people last month mentioned a 2018 advisory from the FAA.