139 Navigation (ATA 34) service difficulty reports for the Boeing 7470.5% of all reported difficulties.

Most reported components

  • FMC 17
  • ADC 15
  • COMPUTER 10
  • CONTROL PANEL 7
  • PITOT TUBE 6
  • ANTENNA 5
  • CDU 5
  • TRANSCEIVER 5
  • SCANNER 5
  • INDICATOR 4
  • RADAR 4
  • TRANSPONDER 4
  • AOA 4
  • SENSOR 3
  • DRIVE ASSY 3

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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