229 Engine Fuel & Control (ATA 73) service difficulty reports for the Boeing 777 (all variants) — 0.9% of all reported difficulties.
Most reported components
- FMU 23
- EEC 21
- CONNECTOR 19
- RELAY 19
- PUMP 12
- UNKNOWN 11
- TRANSMITTER 9
- SWITCH 7
- PRESSURE SWITCH 7
- O-RING 7
- ENGINE 5
- FILTER 5
- WIRE HARNESS 5
- LINE 4
- FUEL 4
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).