1,027 Lights (ATA 33) service difficulty reports for the Boeing 787 Dreamliner — 31% of all reported difficulties.
Most reported components
- LIGHT 381
- BATTERY 213
- CONTROL UNIT 134
- BATTERY PACK 59
- CONNECTOR 32
- LENS 31
- WIRE 21
- SIGN 20
- ELEC CONNECTOR 12
- POWER SUPPLY 8
- SWITCH 8
- COVER 8
- GUARD 8
- TERMINAL 8
- WIRE HARNESS 8
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).