228 Windows (ATA 56) service difficulty reports for the Airbus A321 (all variants) — 0.6% of all reported difficulties.
Most reported components
- WINDOW 83
- SLIDING WINDOW 58
- WINDSHIELD 50
- HANDLE 25
- BUTTON 3
- SEAL 2
- LATCH 2
- NONE 1
- LOCK 1
- TRACK 1
- KNOB 1
- MECHANISM 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).