2,802 Wings (ATA 57) service difficulty reports for the Boeing 747 — 10.4% of all reported difficulties.
Most reported components
- SKIN 1,075
- FLAP 169
- FAIRING 161
- PANEL 153
- RIB 88
- STRUCTURE 84
- NONE 75
- UNKNOWN 74
- WEDGE 67
- FITTING 53
- WEB 49
- BEAM 45
- SUPPORT 35
- SPAR 34
- STIFFENER 31
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).