330 Engine Indicating (ATA 77) service difficulty reports for the Boeing 7670.5% of all reported difficulties.

Most reported components

  • CIRCUIT CARD 28
  • SENSOR 26
  • MONITOR 26
  • CONNECTOR 23
  • INDICATOR 23
  • WIRE HARNESS 20
  • UNKNOWN 20
  • WARNING MESSAGE 17
  • INDICATION SYS 13
  • ACCELEROMETER 12
  • ENGINE 10
  • WARNING LIGHT 8
  • PROBE 7
  • WARNING SYSTEM 6
  • THERMOCOUPLE 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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