2,179 Engine Fuel & Control (ATA 73) service difficulty reports for the Boeing 737 (all variants) — 0.8% of all reported difficulties.
Most reported components
- EEC 323
- HMU 247
- UNKNOWN 222
- PUMP 166
- WIRE HARNESS 148
- PRESSURE SWITCH 128
- CONNECTOR 69
- SENSOR 68
- SWITCH 49
- WARNING LIGHT 48
- HARNESS 46
- FUEL NOZZLE 42
- WARNING SYSTEM 39
- TRANSMITTER 39
- FUEL FILTER 38
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).