1,073 Doors (ATA 52) service difficulty reports for the Boeing 747 — 4% of all reported difficulties.
Most reported components
- SKIN 185
- DOOR 125
- UNKNOWN 49
- BATTERY PACK 45
- STRUCTURE 43
- BEAM 42
- DOOR FRAME 35
- HANDLE 31
- GATE 25
- SWITCH 22
- BATTERY 20
- SEAL 19
- NONE 19
- ACTUATOR 18
- FAIRING 18
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).