208 Navigation (ATA 34) service difficulty reports for the Boeing 777 (all variants) — 0.8% of all reported difficulties.
Most reported components
- TRANSCEIVER 31
- CONTROL PANEL 16
- COMPUTER 13
- ANTENNA 12
- MODULE 12
- DRIVE UNIT 10
- FMC 9
- RADAR 8
- INDICATOR 7
- PROBE 7
- SAARU 5
- CDU 4
- ADIRU 3
- ALTIMETER 3
- RECEIVER 3
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).