63 Ignition (ATA 74) service difficulty reports for the Boeing 777 (all variants) — 0.2% of all reported difficulties.
Most reported components
- IGNITER 28
- EXCITER 22
- RELAY 3
- IGNITION SYS 3
- LEAD ASSY 1
- UNKNOWN 1
- WIRE HARNESS 1
- IGNITION SWITCH 1
- PIN 1
- CONNECTOR 1
- LEAD 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).