3,174 service difficulty reports for the Airbus A220 (C Series) across 36 systems (2017–2026).
Reported systems
| System | ATA | Reports | Share |
|---|---|---|---|
| Wings | ATA 57 | 1,194 | 37.6% |
| Fuselage | ATA 53 | 862 | 27.2% |
| Air Conditioning | ATA 21 | 221 | 7% |
| Doors | ATA 52 | 106 | 3.3% |
| Lights | ATA 33 | 99 | 3.1% |
| Engine - Turbine/Turboprop | ATA 72 | 96 | 3% |
| Equipment & Furnishings | ATA 25 | 90 | 2.8% |
| Landing Gear | ATA 32 | 56 | 1.8% |
| Standard Practices - Structures | ATA 51 | 42 | 1.3% |
| Fuel | ATA 28 | 39 | 1.2% |
| Flight Controls | ATA 27 | 38 | 1.2% |
| Navigation | ATA 34 | 34 | 1.1% |
| Electrical Power | ATA 24 | 32 | 1% |
| Stabilizers | ATA 55 | 32 | 1% |
| Fire Protection | ATA 26 | 31 | 1% |
| Ice & Rain Protection | ATA 30 | 31 | 1% |
| Engine Air | ATA 75 | 26 | 0.8% |
| Auto Flight | ATA 22 | 21 | 0.7% |
| Hydraulic Power | ATA 29 | 21 | 0.7% |
| Auxiliary Power Unit (APU) | ATA 49 | 19 | 0.6% |
| Pneumatic | ATA 36 | 13 | 0.4% |
| Indicating & Recording | ATA 31 | 12 | 0.4% |
| Engine Fuel & Control | ATA 73 | 10 | 0.3% |
| Engine Oil | ATA 79 | 10 | 0.3% |
| Water & Waste | ATA 38 | 8 | 0.3% |
| Engine Exhaust | ATA 78 | 7 | 0.2% |
| Communications | ATA 23 | 6 | 0.2% |
| Nacelles & Pylons | ATA 54 | 4 | 0.1% |
| Oxygen | ATA 35 | 3 | 0.1% |
| Engine Indicating | ATA 77 | 3 | 0.1% |
| Starting | ATA 80 | 2 | 0.1% |
| Engine Controls | ATA 76 | 2 | 0.1% |
| Power Plant | ATA 71 | 1 | 0% |
| Central Maintenance System | ATA 45 | 1 | 0% |
| Propellers | ATA 61 | 1 | 0% |
| Windows | ATA 56 | 1 | 0% |
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).