7,936 Doors (ATA 52) service difficulty reports for the Airbus A321 (all variants) — 21.1% of all reported difficulties.
Most reported components
- BOTTLE 3,049
- CYLINDER 1,029
- DAMPER 757
- HANDLE 285
- DOOR 264
- LEVER 196
- ACCUMULATOR 186
- ACTUATOR 134
- NONE 127
- HINGE FITTING 126
- PROXIMITY SENSOR 124
- UNKNOWN 90
- DOOR LATCH 90
- ARMING LEVER 88
- DIAPHRAGM 73
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).