336 Flight Controls (ATA 27) service difficulty reports for the Boeing 7471.2% of all reported difficulties.

Most reported components

  • UNKNOWN 41
  • ACTUATOR 32
  • PDU 28
  • FLAP 16
  • TRANSMITTER 14
  • FLAP SYSTEM 11
  • CONTROL CABLE 11
  • MOTOR 10
  • CONTROL UNIT 9
  • WARNING MESSAGE 9
  • WIRE 8
  • RVDT 8
  • TRANSMISSION 6
  • WARNING SYSTEM 6
  • COVER 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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