702 service difficulty reports for the Airbus A350 across 31 systems (2017–2026).
Reported systems
| System | ATA | Reports | Share |
|---|---|---|---|
| Lights | ATA 33 | 209 | 29.8% |
| Wings | ATA 57 | 100 | 14.2% |
| Fuselage | ATA 53 | 61 | 8.7% |
| Doors | ATA 52 | 58 | 8.3% |
| Equipment & Furnishings | ATA 25 | 37 | 5.3% |
| Stabilizers | ATA 55 | 36 | 5.1% |
| Standard Practices - Structures | ATA 51 | 34 | 4.8% |
| Oxygen | ATA 35 | 34 | 4.8% |
| Landing Gear | ATA 32 | 20 | 2.8% |
| Flight Controls | ATA 27 | 19 | 2.7% |
| Air Conditioning | ATA 21 | 17 | 2.4% |
| Engine - Turbine/Turboprop | ATA 72 | 14 | 2% |
| Ice & Rain Protection | ATA 30 | 7 | 1% |
| Engine Air | ATA 75 | 7 | 1% |
| Hydraulic Power | ATA 29 | 7 | 1% |
| Engine Fuel & Control | ATA 73 | 6 | 0.9% |
| Electrical Power | ATA 24 | 5 | 0.7% |
| Navigation | ATA 34 | 5 | 0.7% |
| Indicating & Recording | ATA 31 | 4 | 0.6% |
| Water & Waste | ATA 38 | 4 | 0.6% |
| Communications | ATA 23 | 3 | 0.4% |
| Engine Oil | ATA 79 | 3 | 0.4% |
| Auxiliary Power Unit (APU) | ATA 49 | 2 | 0.3% |
| Engine Exhaust | ATA 78 | 2 | 0.3% |
| Pneumatic | ATA 36 | 2 | 0.3% |
| Power Plant | ATA 71 | 1 | 0.1% |
| Fuel | ATA 28 | 1 | 0.1% |
| Placards & Markings | ATA 11 | 1 | 0.1% |
| Auto Flight | ATA 22 | 1 | 0.1% |
| Windows | ATA 56 | 1 | 0.1% |
| Fire Protection | ATA 26 | 1 | 0.1% |
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).