503 Landing Gear (ATA 32) service difficulty reports for the Boeing 747 — 1.9% of all reported difficulties.
Most reported components
- ACTUATOR 104
- TIRE 90
- WARNING MESSAGE 24
- LANDING GEAR 21
- PSEU 19
- WARNING SYSTEM 13
- UNKNOWN 12
- BRAKE 11
- SEQUENCE VALVE 10
- SWITCH 9
- MODULE 8
- SENSOR 7
- NONE 7
- PROXIMITY SENSOR 6
- STRUT 6
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).