85 Oxygen (ATA 35) service difficulty reports for the Airbus A321 (all variants) — 0.2% of all reported difficulties.
Most reported components
- OXYGEN MASK 38
- UNKNOWN 13
- OXYGEN BOTTLE 6
- OXYGEN BOX 6
- STOWAGE BOX 2
- CONTAINER 2
- SELECTOR KNOB 2
- PANEL 2
- NONE 2
- MECHANISM 1
- STRAP 1
- SPRING 1
- SLIDE 1
- B-NUT 1
- HOSE 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).