639 Pneumatic (ATA 36) service difficulty reports for the Bombardier CRJ (all variants)0.4% of all reported difficulties.

Most reported components

  • WARNING SYSTEM 66
  • SHUTOFF VALVE 61
  • SENSING ELEMENT 48
  • DUCT 44
  • LOOP 42
  • CLAMP 40
  • SENSOR 33
  • CONNECTOR 22
  • WARNING LIGHT 19
  • NONE 19
  • WARNING MESSAGE 17
  • UNKNOWN 17
  • CONTROL UNIT 15
  • VALVE 15
  • ELEMENT 13

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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