187 Ice & Rain Protection (ATA 30) service difficulty reports for the Boeing 777 (all variants) — 0.7% of all reported difficulties.
Most reported components
- ANTI-ICE VALVE 44
- CONTROLLER 33
- CIRCUIT CARD 11
- VALVE 10
- RELAY 10
- DETECTOR 8
- CONTROL UNIT 6
- SENSOR 5
- CAP 5
- SWITCH 4
- HEATER 3
- WIRE 3
- ANTI-ICE SYSTEM 3
- MODULE 3
- WINDSHIELD WIPER 3
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).