93 Communications (ATA 23) service difficulty reports for the Boeing 747 — 0.3% of all reported difficulties.
Most reported components
- TRANSCEIVER 8
- CONTROLLER 6
- CONTROL PANEL 5
- WIRE 5
- COUPLER 5
- VIDEO UNIT 3
- PA SYSTEM 3
- NONE 3
- RECORDER 3
- MICROPHONE 3
- CONTROL UNIT 2
- VHF COMM 2
- RADIO 2
- MONITOR 2
- SDU 2
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).