204 Standard Practices - Structures (ATA 51) service difficulty reports for the Boeing 727 — 0.4% of all reported difficulties.
Most reported components
- REPAIR 118
- NONE 24
- SKIN 18
- STRINGER 7
- UNKNOWN 7
- WEB 5
- STIFFENER 4
- FRAME 3
- STRUCTURE 2
- FITTING 2
- TORQUE BOX 2
- STRAP 1
- SPLICE 1
- SPAR 1
- BEAM 1
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).