The following table lists some of the most common repair and maintenance-related violations.
| Violation | Relevant Code |
| Operating a CMV without proof of a periodic inspection | 396.17(c) |
| Parts or accessories in disrepair | 396.3(a)(1) |
| Oil or grease leak | 396.5(b) |
| Brakes out of service: the number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination. Breaks General. Brake system pressure loss. | 396.3(a)(1) |
| Failure to correct defects noted on previous inspection report | 396.9(d)(2) |
| Hubs - oil and/or grease leaking from hub - outer wheel | 396.5(b) |
| Tires (general) | 396.3(a)(1) |
| A liquid fuel system with a dripping leak at any point. | 396.3(a)(1) |
| Hubs-wheel seal leaking | 396.5(b) |
| Unsafe operations forbidden | 396.7 |