370 Standard Practices - Structures (ATA 51) service difficulty reports for the Boeing 737 (all variants) — 0.1% of all reported difficulties.
Most reported components
- NONE 158
- UNKNOWN 66
- SHADE 16
- SKIN 14
- SLIDE 11
- FRAME 10
- NOT REPORTED 7
- STRUCTURE 6
- FLOOR SUPPORT 5
- FLOORBEAM 5
- BEAM 4
- STRINGER 4
- PANEL 3
- SHIM 3
- GIRT BAR 3
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).