508 Air Conditioning (ATA 21) service difficulty reports for the Embraer E170/E175 — 1.5% of all reported difficulties.
Most reported components
- UNKNOWN 246
- ACM 43
- A/C PACK 39
- FAN 16
- HEAT EXCHANGER 14
- DUCT 14
- CABIN PRESSURE 11
- CONTROLLER 11
- OUTFLOW VALVE 9
- NONE 9
- SUPPORT 8
- PROFILE 6
- WARNING MESSAGE 6
- FILTER 5
- WARNING SYSTEM 4
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).