279 Engine Oil (ATA 79) service difficulty reports for the Boeing 7670.4% of all reported difficulties.

Most reported components

  • TRANSMITTER 41
  • PRESSURE SWITCH 26
  • CONNECTOR 18
  • SENSOR 13
  • NONE 12
  • SWITCH 10
  • HEAT EXCHANGER 10
  • UNKNOWN 10
  • ENGINE 9
  • WIRE 9
  • OIL COOLER 9
  • LINE 8
  • WARNING LIGHT 8
  • WARNING SYSTEM 7
  • OIL FILTER 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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