6,687 Fuselage (ATA 53) service difficulty reports for the Airbus A321 (all variants) — 17.8% of all reported difficulties.
Most reported components
- FLOOR PANEL 1,595
- SHEAR PLATE 590
- FITTING 530
- SEAT TRACK 509
- FLOORBEAM 503
- FLOOR SUPPORT 376
- DOOR SILL 306
- CLEAT 182
- STRINGER 143
- NONE 137
- SKIN 135
- SUPPORT 134
- UNKNOWN 108
- BEAM 92
- SILL 91
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).