608 Stabilizers (ATA 55) service difficulty reports for the Boeing 747 — 2.2% of all reported difficulties.
Most reported components
- RIB 149
- SKIN 111
- STRUCTURE 33
- WEB 32
- CHANNEL 31
- UNKNOWN 27
- PANEL 24
- SUPPORT 18
- SPAR 16
- NONE 16
- STIFFENER 15
- SUPPORT BEAM 13
- ELEVATOR 11
- FAIRING 9
- ANGLE 8
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).