322 Nacelles & Pylons (ATA 54) service difficulty reports for the Boeing 727 — 0.6% of all reported difficulties.
Most reported components
- SKIN 91
- ANGLE 26
- FRAME 19
- S-DUCT 16
- WEB 15
- NOSE COWL 15
- STRUCTURE 14
- PANEL 10
- RIB 9
- FIREWALL 8
- FITTING 8
- BRACKET 8
- STIFFENER 6
- DUCT 5
- ATTACH ANGLE 5
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).