393.42(a) — Brakes - parking brake defective
FMCSA violation code under Vehicle Maintenance. 652 events recorded in roadside inspections. Severity weight: 6.
Violation Description
Commercial motor vehicle parking brake system is not adequate to hold the vehicle stationary.
About This Violation Code
Code 393.42(a) falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 6 (scale 1-10, higher = more severe).
When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 393.42 in the Federal Motor Carrier Safety Regulations.
Top Carriers Cited
Ranked by frequency • 448 carriers total • Page 1 of 18
Top Carriers with 393.42(a) Violations
Showing 25 of 448
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | NELSON SANITATION & RENTAL INC | 1087980 | 6 |
| #2 | BOAT MAGAZINE INC | 1010840 | 6 |
| #3 | BENNETT TRUCK TRANSPORT LLC | 600382 | 6 |
| #4 | TWO BROTHERS TRANSPORTS LLC | 3502923 | 6 |
| #5 | T O L CAR SERVICES LLC | 4074104 | 5 |
| #6 | TIMBER CREEK SALES MANAGEMENT | 3887983 | 5 |
| #7 | CHARLES MARANDINO LLC | 2912714 | 5 |
| #8 | ELITE PROPERTIES & LANDSCAPE CONSTRUCTION | 2271297 | 4 |
| #9 | J & E CONCRETE LLC | 3532385 | 4 |
| #10 | CAJUN GUNITE LP | 3518842 | 4 |
| #11 | TORCSILL FOUNDATIONS LLC | 2292453 | 4 |
| #12 | GOLD MECH INC | 459695 | 4 |
| #13 | BLUE SKY LANDSCAPES LLC | 3172947 | 4 |
| #14 | ROBERT HULSEY | 2913940 | 4 |
| #15 | INTERCON CONSTRUCTION TRUCKING INC | 384485 | 4 |
| #16 | PRIORITY TREE EXPERTS LLC | 3424109 | 4 |
| #17 | ABA TRANSPORT LLC | 4085427 | 4 |
| #18 | UNLIMITED OUTDOORS LLC | 3567095 | 4 |
| #19 | GRIDOR CONSTRUCTION INC | 195319 | 4 |
| #20 | CESAR MARIO LOPEZ | 975672 | 4 |
| #21 | WILKES CONCRETE CO INC | 2909053 | 4 |
| #22 | REAL HOTSHOT LLC | 4047808 | 4 |
| #23 | M AULT TRUCKING LLC | 3236920 | 4 |
| #24 | GREEN UP LAWN & SPRINKLERS LLC | 1848607 | 4 |
| #25 | YEROC ENTERPRISE LLC | 3787748 | 4 |
Recent Inspections
Latest inspections where 393.42(a) was cited • 652 total events • Page 1 of 27
Recent Inspections with 393.42(a)
Showing 25 of 652
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Oct 15, 2024 | 82910441 | OK | Level 1 | No |
| Oct 11, 2024 | 82885314 | SC | Level 1 | No |
| Oct 11, 2024 | 82886793 | MD | Level 2 | Yes |
| Oct 9, 2024 | 82906076 | NY | Level 2 | No |
| Oct 8, 2024 | 82884312 | WI | Level 1 | No |
| Oct 8, 2024 | 82875325 | TN | Level 2 | Yes |
| Oct 8, 2024 | 82862579 | NY | Level 1 | No |
| Oct 7, 2024 | 82849034 | NV | Level 2 | Yes |
| Oct 3, 2024 | 82833846 | MA | Level 1 | Yes |
| Oct 3, 2024 | 82846089 | MA | Level 1 | No |
| Oct 3, 2024 | 82840185 | CO | Level 1 | No |
| Oct 1, 2024 | 82826749 | MI | Level 1 | No |
| Oct 1, 2024 | 82813090 | OH | Level 1 | No |
| Sep 30, 2024 | 82801539 | US | Level 1 | Yes |
| Sep 30, 2024 | 82799653 | US | Level 1 | No |
| Sep 27, 2024 | 82831728 | MN | Level 2 | No |
| Sep 27, 2024 | 82831495 | MN | Level 1 | No |
| Sep 27, 2024 | 82833733 | CO | Level 1 | No |
| Sep 26, 2024 | 82764894 | UT | Level 1 | Yes |
| Sep 25, 2024 | 82774204 | TN | Level 1 | No |
| Sep 25, 2024 | 82767786 | KS | Level 1 | Yes |
| Sep 24, 2024 | 82778958 | OH | Level 1 | Yes |
| Sep 23, 2024 | 82763284 | WI | Level 1 | No |
| Sep 23, 2024 | 82801771 | US | Level 1 | No |
| Sep 23, 2024 | 82751246 | TN | Level 1 | No |