588 Hydraulic Power (ATA 29) service difficulty reports for the Airbus A319 — 1.2% of all reported difficulties.
Most reported components
- PUMP 74
- HYDRAULIC LINE 73
- LINE 58
- O-RING 44
- PRESSURE SWITCH 38
- HYDRAULIC SYSTEM 29
- HOSE 29
- SWITCH 20
- CHECK VALVE 17
- PACKING 17
- RESERVOIR 12
- B-NUT 9
- MANIFOLD 9
- VALVE 9
- TUBE 8
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).