69,217 service difficulty reports for the Boeing 767 across 41 systems (1995–2026).
Reported systems
| System | ATA | Reports | Share |
|---|---|---|---|
| Fuselage | ATA 53 | 15,620 | 22.6% |
| Lights | ATA 33 | 11,383 | 16.4% |
| Wings | ATA 57 | 4,874 | 7% |
| Air Conditioning | ATA 21 | 3,793 | 5.5% |
| Equipment & Furnishings | ATA 25 | 3,038 | 4.4% |
| Auxiliary Power Unit (APU) | ATA 49 | 2,565 | 3.7% |
| Doors | ATA 52 | 2,426 | 3.5% |
| Nacelles & Pylons | ATA 54 | 2,318 | 3.3% |
| Navigation | ATA 34 | 2,164 | 3.1% |
| Flight Controls | ATA 27 | 1,967 | 2.8% |
| Engine - Turbine/Turboprop | ATA 72 | 1,867 | 2.7% |
| Electrical Power | ATA 24 | 1,812 | 2.6% |
| Pneumatic | ATA 36 | 1,703 | 2.5% |
| Fuel | ATA 28 | 1,678 | 2.4% |
| Fire Protection | ATA 26 | 1,643 | 2.4% |
| Hydraulic Power | ATA 29 | 1,044 | 1.5% |
| Landing Gear | ATA 32 | 1,033 | 1.5% |
| Engine Fuel & Control | ATA 73 | 961 | 1.4% |
| Ice & Rain Protection | ATA 30 | 810 | 1.2% |
| Indicating & Recording | ATA 31 | 806 | 1.2% |
| Stabilizers | ATA 55 | 751 | 1.1% |
| Communications | ATA 23 | 653 | 0.9% |
| Engine Exhaust | ATA 78 | 543 | 0.8% |
| Starting | ATA 80 | 501 | 0.7% |
| Oxygen | ATA 35 | 463 | 0.7% |
| Windows | ATA 56 | 438 | 0.6% |
| Engine Air | ATA 75 | 418 | 0.6% |
| Power Plant | ATA 71 | 334 | 0.5% |
| Engine Indicating | ATA 77 | 330 | 0.5% |
| Engine Oil | ATA 79 | 279 | 0.4% |
| Auto Flight | ATA 22 | 274 | 0.4% |
| Standard Practices - Structures | ATA 51 | 263 | 0.4% |
| Ignition | ATA 74 | 204 | 0.3% |
| Water & Waste | ATA 38 | 148 | 0.2% |
| Engine Controls | ATA 76 | 57 | 0.1% |
| Other | ATA 14 | 28 | 0% |
| Placards & Markings | ATA 11 | 19 | 0% |
| Other | ATA 83 | 4 | 0% |
| Other | ATA 37 | 3 | 0% |
| Reciprocating Engine | ATA 85 | 1 | 0% |
| Propellers | ATA 61 | 1 | 0% |
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).