33,684 service difficulty reports for the Embraer E170/E175 across 41 systems (2004–2026).
Reported systems
| System | ATA | Reports | Share |
|---|---|---|---|
| Fuselage | ATA 53 | 17,997 | 53.4% |
| Equipment & Furnishings | ATA 25 | 3,015 | 9% |
| Lights | ATA 33 | 2,665 | 7.9% |
| Doors | ATA 52 | 2,616 | 7.8% |
| Wings | ATA 57 | 1,626 | 4.8% |
| Stabilizers | ATA 55 | 953 | 2.8% |
| Landing Gear | ATA 32 | 895 | 2.7% |
| Flight Controls | ATA 27 | 747 | 2.2% |
| Air Conditioning | ATA 21 | 508 | 1.5% |
| Fuel | ATA 28 | 302 | 0.9% |
| Nacelles & Pylons | ATA 54 | 286 | 0.8% |
| Fire Protection | ATA 26 | 225 | 0.7% |
| Engine - Turbine/Turboprop | ATA 72 | 209 | 0.6% |
| Hydraulic Power | ATA 29 | 178 | 0.5% |
| Indicating & Recording | ATA 31 | 156 | 0.5% |
| Pneumatic | ATA 36 | 152 | 0.5% |
| Auxiliary Power Unit (APU) | ATA 49 | 126 | 0.4% |
| Engine Exhaust | ATA 78 | 115 | 0.3% |
| Windows | ATA 56 | 107 | 0.3% |
| Navigation | ATA 34 | 105 | 0.3% |
| Electrical Power | ATA 24 | 101 | 0.3% |
| Auto Flight | ATA 22 | 85 | 0.3% |
| Engine Fuel & Control | ATA 73 | 78 | 0.2% |
| Standard Practices - Structures | ATA 51 | 72 | 0.2% |
| Engine Air | ATA 75 | 61 | 0.2% |
| Water & Waste | ATA 38 | 59 | 0.2% |
| Ice & Rain Protection | ATA 30 | 54 | 0.2% |
| Engine Controls | ATA 76 | 40 | 0.1% |
| Communications | ATA 23 | 37 | 0.1% |
| Oxygen | ATA 35 | 27 | 0.1% |
| Engine Indicating | ATA 77 | 26 | 0.1% |
| Power Plant | ATA 71 | 17 | 0.1% |
| Placards & Markings | ATA 11 | 16 | 0% |
| Engine Oil | ATA 79 | 13 | 0% |
| Starting | ATA 80 | 6 | 0% |
| Other | ATA 63 | 2 | 0% |
| Ignition | ATA 74 | 2 | 0% |
| Central Maintenance System | ATA 45 | 2 | 0% |
| Other | ATA 37 | 1 | 0% |
| Propellers | ATA 61 | 1 | 0% |
| Other | ATA 14 | 1 | 0% |
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).