FlightFinder

6,696 Lights (ATA 33) service difficulty reports for the Airbus A321 (all variants) — 17.8% of all reported difficulties.

Most reported components

  • LENS 1,538
  • BATTERY 1,345
  • LIGHT 950
  • POWER SUPPLY 781
  • CONNECTOR 339
  • WIRE 275
  • BATTERY PACK 247
  • COVER 225
  • SIGN 108
  • NONE 108
  • WIRE HARNESS 104
  • EPSU 98
  • UNKNOWN 85
  • ELEC CONNECTOR 77
  • HOUSING 40

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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