484 Engine - Turbine/Turboprop (ATA 72) service difficulty reports for the Boeing 777 (all variants) — 1.9% of all reported difficulties.
Most reported components
- ENGINE 201
- BLADE 23
- OIL SYSTEM 18
- COMPRESSOR 15
- SEAL 13
- TUBE 13
- BEARING 12
- BLADES 12
- CARBON SEAL 10
- RUB STRIP 8
- UNKNOWN 7
- LINE 6
- GEARBOX 6
- BOLT 6
- ACTUATOR 5
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).