634 Wings (ATA 57) service difficulty reports for the Boeing 777 (all variants)2.4% of all reported difficulties.

Most reported components

  • SKIN 167
  • PANEL 97
  • WEDGE 49
  • RIB 38
  • SLAT 30
  • SEAL 22
  • SPAR 21
  • FLAP 19
  • CLAMP 16
  • BRACKET 11
  • FITTING 11
  • SLAT TRACK 10
  • STRUCTURE 9
  • LONGERON 9
  • AILERON 7

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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