1,943 Flight Controls (ATA 27) service difficulty reports for the Boeing 7572% of all reported difficulties.

Most reported components

  • ACTUATOR 237
  • TRANSMITTER 139
  • FSEU 105
  • TRANSMISSION 103
  • FLAP SYSTEM 90
  • UNKNOWN 89
  • WARNING MESSAGE 74
  • WARNING SYSTEM 62
  • MODULE 58
  • INDICATOR 53
  • NONE 40
  • BALL SCREW 39
  • SWITCH 37
  • CONTROL MODULE 30
  • BALLSCREW 27

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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