178 Hydraulic Power (ATA 29) service difficulty reports for the Embraer E170/E175 — 0.5% of all reported difficulties.
Most reported components
- PUMP 46
- HYDRAULIC LINE 25
- LINE 23
- HYDRAULIC SYSTEM 11
- HOSE 11
- RESERVOIR 6
- VALVE 4
- FUSE 4
- UNKNOWN 4
- FITTING 3
- RAM AIR TURB 3
- O-RING 3
- PRESSURE SWITCH 3
- WARNING MESSAGE 3
- ROD END 2
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).