821 Electrical Power (ATA 24) service difficulty reports for the Boeing 777 (all variants) — 3.1% of all reported difficulties.
Most reported components
- IDG 210
- GENERATOR 111
- BATTERY 96
- GCU 55
- CHARGER 44
- CONVERTER 30
- RELAY 28
- FEEDER CABLE 24
- WIRE 19
- CONNECTOR 17
- MODULE 16
- WIRE HARNESS 12
- CIRCUIT CARD 12
- UNKNOWN 9
- RECEPTACLE 8
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).