2,086 Ice & Rain Protection (ATA 30) service difficulty reports for the Boeing 737 (all variants) — 0.8% of all reported difficulties.
Most reported components
- UNKNOWN 323
- WARNING LIGHT 233
- SENSOR 191
- ANTI-ICE VALVE 142
- WARNING SYSTEM 137
- CONTROL UNIT 111
- CIRCUIT BREAKER 104
- CONTROLLER 83
- WARNING MESSAGE 82
- WINDOW 76
- HEATER 71
- VALVE 67
- MODULE 39
- CONNECTOR 38
- WIRE HARNESS 37
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).