1,315 Fire Protection (ATA 26) service difficulty reports for the Boeing 727 — 2.4% of all reported difficulties.
Most reported components
- SMOKE DETECTOR 235
- FIRE LOOP 215
- CONNECTOR 75
- WARNING LIGHT 75
- FIRE DETECTOR 67
- FIRE WARNING 59
- OVERHEAT LOOP 38
- DETECTOR 36
- CONTROL UNIT 35
- WARNING SYSTEM 33
- WIRE 27
- BULB 24
- OVERHEAT LIGHT 24
- POWER UNIT 22
- SMOKE LIGHT 17
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).