913 Fire Protection (ATA 26) service difficulty reports for the Airbus A321 (all variants) — 2.4% of all reported difficulties.
Most reported components
- SMOKE DETECTOR 310
- FIRE LOOP 156
- SMOKE WARNING 57
- FIRE DETECTOR 53
- UNKNOWN 50
- FIRE BOTTLE 28
- NONE 25
- WARNING LIGHT 24
- FILTER 24
- FDU 23
- WARNING MESSAGE 22
- WIRE HARNESS 20
- EXTINGUISHER 19
- CONTROL PANEL 17
- WARNING SYSTEM 13
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).