2,422 Communications (ATA 23) service difficulty reports for the Boeing 737 (all variants) — 0.9% of all reported difficulties.
Most reported components
- SATCOM 1,005
- UNKNOWN 327
- TRANSCEIVER 313
- HF COMM 194
- COUPLER 109
- WARNING MESSAGE 57
- RADIO 53
- WARNING SYSTEM 36
- CONTROL PANEL 26
- WARNING LIGHT 23
- ANTENNA 19
- CIRCUIT BREAKER 18
- DISPLAY 17
- PANEL 16
- AUDIO PANEL 13
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).