9,971 Flight Controls (ATA 27) service difficulty reports for the Bombardier CRJ (all variants) — 5.7% of all reported difficulties.
Most reported components
- CONTROL UNIT 1,041
- ACTUATOR 839
- BPSU 811
- FLAP SYSTEM 728
- FLAP 650
- WARNING SYSTEM 603
- PCU 476
- WARNING MESSAGE 258
- WARNING LIGHT 215
- SWITCH 202
- UNKNOWN 197
- TRIM SWITCH 188
- SENSOR 184
- ECU 175
- FCU 153
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).