Asia-aerospace-Singapore-aviation,ADVANCER by Martin Abbugao A Boeing 787 dreamliner is seen on the tarmac at the Singapore Airshow in Singapore on February 12, 2012
A Boeing 787 Dreamliner.
  • Whistleblower Sam Salehpour's concerns about the Boeing 787 and 777 were first made public last week.
  • Salehpour, a quality engineer, told NBC on Tuesday he believes all 787 Dreamliners should be grounded.
  • He added that he wouldn't put his own family on the planemaker's flagship widebody jet.

A Boeing whistleblower said he believes all 787 Dreamliners should be grounded in an interview that aired Tuesday on NBC's "Nightly News with Lester Holt."