839 Equipment & Furnishings (ATA 25) service difficulty reports for the Boeing 747 — 3.1% of all reported difficulties.
Most reported components
- SLIDE 130
- ESCAPE REEL 55
- OVEN 54
- GIRT BAR 28
- BATTERY 26
- BOTTLE 22
- SEAL 21
- WIRE 20
- PANEL 17
- UNKNOWN 15
- COFFEEMAKER 14
- EVAS UNIT 14
- O-RING 13
- LIFE VEST 13
- BATTERY PACK 13
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).