154 Indicating & Recording (ATA 31) service difficulty reports for the Boeing 777 (all variants)0.6% of all reported difficulties.

Most reported components

  • DISPLAY 41
  • MODULE 36
  • WARNING MESSAGE 15
  • WARNING SYSTEM 10
  • CIRCUIT CARD 7
  • COMPUTER 5
  • WARNING HORN 4
  • CDU 4
  • WARNING LIGHT 3
  • POWER SUPPLY 3
  • SWITCH 3
  • EICAS 2
  • UNKNOWN 2
  • PRINTER 2
  • NONE 2

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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