192 Air Conditioning (ATA 21) service difficulty reports for the Boeing 787 Dreamliner — 5.8% of all reported difficulties.
Most reported components
- UNKNOWN 61
- ACM 25
- HEATER 18
- FAN 16
- COMPRESSOR 8
- A/C PACK 8
- DUCT 6
- ACTUATOR 5
- COOLING FAN 4
- MUFFLER 4
- OUTFLOW VALVE 3
- NONE 3
- CONTROL UNIT 3
- CLAMP 2
- VALVE 2
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).