FlightFinder

182 Pneumatic (ATA 36) service difficulty reports for the Airbus A321 (all variants) — 0.5% of all reported difficulties.

Most reported components

  • UNKNOWN 21
  • WARNING MESSAGE 19
  • WARNING SYSTEM 15
  • SENSE LINE 14
  • VALVE 14
  • COMPUTER 11
  • NONE 10
  • REGULATOR VALVE 9
  • SEAL 7
  • DUCT 6
  • BLEED AIR SYS 6
  • SENSOR 5
  • BLEED VALVE 5
  • CONNECTOR 4
  • SOLENOID 4

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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