393.41 — No or defective parking brake system on CMV
FMCSA violation code under Vehicle Maintenance. 11,285 events recorded in roadside inspections. Severity weight: N/A.
Violation Description
No or defective parking brake system on CMV
About This Violation Code
Code 393.41 falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS).
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 393.41 in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.41 is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 393.41 citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.41 most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 9,518 carriers total • Page 1 of 381
Top Carriers with 393.41 Violations
Showing 25 of 9,518
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | FEDERAL EXPRESS CORPORATION | 86876 | 98 |
| #2 | UNITED PARCEL SERVICE INC | 21800 | 35 |
| #3 | TPS PARKING MANAGEMENT LLC | 918843 | 26 |
| #4 | ARSENIO ELIZONDO QUIROGA | 3023987 | 16 |
| #5 | TRANSPORT INDIANA LLC | 3057791 | 16 |
| #6 | MARYLAND TREE EXPERTS | 3304931 | 12 |
| #7 | VESTIS SERVICES LLC | 221707 | 12 |
| #8 | UNITED RENTALS NORTH AMERICA INC | 899748 | 11 |
| #9 | GUILLERMO ABRAHAM ZAPATA PICAZO | 1394813 | 9 |
| #10 | ROLLING FRITO LAY SALES LP | 926150 | 9 |
| #11 | HORIZON TRANSPORT INC | 273286 | 9 |
| #12 | HECTOR TOVAR MARTINEZ | 3596110 | 9 |
| #13 | ELIZABETH MARQUEZ SANCHEZ | 3544273 | 9 |
| #14 | COMPASS GROUP USA INC | 132504 | 8 |
| #15 | HECTOR ANTONIO CASTILLO RIVERA | 2862468 | 8 |
| #16 | ELEAZAR GARZA DIAZ | 3898889 | 8 |
| #17 | JULIO CESAR LERMA GONZALEZ | 2441559 | 8 |
| #18 | TRANSPORT SYNERGY LLC | 3469984 | 8 |
| #19 | FIRST STUDENT INC | 354406 | 8 |
| #20 | SERGIO FERNANDO DE LEON UVALLE | 716727 | 8 |
| #21 | CRISTIAN YOBANI ZACARIAS GARCIA | 3393012 | 8 |
| #22 | JULIO CESAR CANTU RAMIREZ | 3362407 | 7 |
| #23 | JUAN ANTONIO RAMIREZ VAZQUEZ | 1631665 | 7 |
| #24 | BUILDER SERVICES GROUP INC | 572263 | 7 |
| #25 | FABIOLA MORALES GARZA | 998472 | 7 |
Recent Inspections
Latest inspections where 393.41 was cited • 11,285 total events • Page 1 of 452
Recent Inspections with 393.41
Showing 25 of 11,285
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Apr 1, 2026 | 87487822 | TX | Level 1 | Yes |
| Mar 31, 2026 | 87465673 | IA | Level 1 | Yes |
| Mar 31, 2026 | 87465980 | IL | Level 1 | Yes |
| Mar 30, 2026 | 87468980 | TX | Level 1 | Yes |
| Mar 27, 2026 | 87468737 | TX | Level 2 | Yes |
| Mar 27, 2026 | 87466872 | TX | Level 1 | Yes |
| Mar 27, 2026 | 87466954 | TX | Level 1 | Yes |
| Mar 27, 2026 | 87466874 | TX | Level 1 | Yes |
| Mar 27, 2026 | 87466873 | TX | Level 1 | Yes |
| Mar 26, 2026 | 87466801 | TX | Level 1 | Yes |
| Mar 26, 2026 | 87429224 | IL | Level 1 | No |
| Mar 25, 2026 | 87408849 | IL | Level 1 | Yes |
| Mar 25, 2026 | 87422837 | TX | Level 1 | Yes |
| Mar 25, 2026 | 87423876 | TX | Level 2 | Yes |
| Mar 25, 2026 | 87441903 | TX | Level 2 | Yes |
| Mar 25, 2026 | 87410609 | TX | Level 2 | No |
| Mar 24, 2026 | 87408533 | IA | Level 1 | Yes |
| Mar 24, 2026 | 87395639 | NC | Level 1 | Yes |
| Mar 24, 2026 | 87408511 | IA | Level 1 | Yes |
| Mar 24, 2026 | 87466950 | TX | Level 1 | Yes |
| Mar 24, 2026 | 87408534 | IA | Level 1 | Yes |
| Mar 23, 2026 | 87386279 | TX | Level 1 | Yes |
| Mar 23, 2026 | 87383739 | NC | Level 1 | Yes |
| Mar 23, 2026 | 87453136 | IA | Level 1 | Yes |
| Mar 20, 2026 | 87407335 | NM | Level 1 | Yes |