84 Engine Exhaust (ATA 78) service difficulty reports for the Airbus A321 (all variants) — 0.2% of all reported difficulties.
Most reported components
- WARNING SYSTEM 11
- WARNING MESSAGE 8
- THRUST REVERSER 7
- HINGE FITTING 6
- ATTACH FITTING 6
- BUMPER 4
- ACTUATOR 4
- RELAY 4
- UNKNOWN 4
- BEARING 3
- LOCK 3
- SLEEVE 2
- FAULT MESSAGE 2
- PROXIMITY SWITCH 2
- SWITCH 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).