165 Oxygen (ATA 35) service difficulty reports for the Boeing 737 (all variants) — 0.1% of all reported difficulties.
Most reported components
- OXYGEN MASK 61
- OXYGEN GEN 11
- OXYGEN BOTTLE 9
- O2 GENERATOR 6
- MASK 5
- BUTTON 4
- OXYGEN SYSTEM 3
- PSU 3
- ACTUATOR 3
- PRESSURE SWITCH 3
- DOOR 3
- BOTTLE 3
- OXYGEN BOX 3
- UNKNOWN 3
- MANIFOLD 2
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).