418 Engine Air (ATA 75) service difficulty reports for the Boeing 7670.6% of all reported difficulties.

Most reported components

  • ANTI-ICE VALVE 56
  • BLEED VALVE 52
  • WARNING MESSAGE 36
  • SHUTOFF VALVE 31
  • VALVE 18
  • ACTUATOR 17
  • WARNING LIGHT 16
  • CONTROLLER 16
  • UNKNOWN 15
  • DUCT 12
  • CONNECTOR 8
  • ISOLATION VALVE 7
  • MANIFOLD 7
  • TUBE 7
  • CLAMP 6

Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).

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