393.203D — Cab seats not securely mounted
FMCSA violation code under Vehicle Maintenance. 49 events recorded in roadside inspections. Severity weight: N/A.
Violation Description
Cab seats not securely mounted
About This Violation Code
Code 393.203D 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 393.203D in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.203D 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 393.203D citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.203D 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 • 47 carriers total • Page 1 of 2
Top Carriers with 393.203D Violations
Showing 25 of 47
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | L C LUNA'S TRUCKING LLC | 3634153 | 2 |
| #2 | JUAN ANTONIO RAMIREZ VAZQUEZ | 1631665 | 2 |
| #3 | BRINESTARR LLC | 3218496 | 1 |
| #4 | PERRONE TRUCKING SAPI DE CV | 4150624 | 1 |
| #5 | J & J HERNANDEZ INC | 1929976 | 1 |
| #6 | ERIXON WILFREDO HERNANDEZ | 2971285 | 1 |
| #7 | EDUARDO VELA | 2527965 | 1 |
| #8 | GRS TRUCKING LLC | 3272439 | 1 |
| #9 | B4 LOGISTICS & TRUCKING LLC | 4222791 | 1 |
| #10 | RUDI L REYES | 3172486 | 1 |
| #11 | EAST LINE TRANSPORT LLC | 4262782 | 1 |
| #12 | ISMAEL VAZQUEZ SUSTAITA | 2383534 | 1 |
| #13 | LMAG TRUCKING LLC | 2861620 | 1 |
| #14 | MELODY LOPEZ MCGARRY | 4286165 | 1 |
| #15 | ELP LLC | 2488676 | 1 |
| #16 | KRAZY TRAIN EXPRESS LLC | 4409386 | 1 |
| #17 | BARRON JR ASPHALT PAVING LLC | 2464272 | 1 |
| #18 | NVB LOGISTICS LLC | 3622845 | 1 |
| #19 | ACTION GYPSUM SUPPLY LP | 1946292 | 1 |
| #20 | FRANCO PAVING LLC | 1999655 | 1 |
| #21 | 3T CARRIER LLC | 3615554 | 1 |
| #22 | K & K CLEANUP SERVICES LLC | 1967058 | 1 |
| #23 | JUAN ESTRADA | 2891669 | 1 |
| #24 | CHARLES OATTS | 1637679 | 1 |
| #25 | F1 AUTO TRANSPORT INC | 2871926 | 1 |
Recent Inspections
Latest inspections where 393.203D was cited • 49 total events • Page 1 of 2
Recent Inspections with 393.203D
Showing 25 of 49
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Mar 27, 2026 | 87466872 | TX | Level 1 | No |
| Mar 23, 2026 | 87467112 | TX | Level 1 | No |
| Mar 19, 2026 | 87384578 | TX | Level 2 | No |
| Mar 18, 2026 | 87345285 | TX | Level 2 | No |
| Mar 4, 2026 | 87252867 | TX | Level 1 | No |
| Feb 17, 2026 | 87079688 | TX | Level 2 | No |
| Feb 12, 2026 | 87066551 | TX | Level 2 | No |
| Feb 9, 2026 | 87033138 | TX | Level 2 | No |
| Jan 29, 2026 | 86957734 | TX | Level 2 | No |
| Dec 15, 2025 | 86593928 | TX | Level 2 | No |
| Dec 4, 2025 | 86649852 | IL | Level 2 | No |
| Nov 18, 2025 | 86423445 | TX | Level 2 | No |
| Nov 13, 2025 | 86362395 | IL | Level 1 | No |
| Nov 4, 2025 | 86265798 | TX | Level 1 | No |
| Oct 15, 2025 | 86109722 | TX | Level 2 | No |
| Oct 6, 2025 | 86048097 | TX | Level 2 | No |
| Sep 25, 2025 | 85919647 | TX | Level 1 | No |
| Aug 27, 2025 | 85673511 | TX | Level 2 | No |
| Jul 31, 2025 | 85399510 | TX | Level 2 | No |
| Jul 30, 2025 | 85374173 | TX | Level 2 | No |
| Jul 11, 2025 | 85287662 | TX | Level 2 | No |
| Jun 17, 2025 | 85002313 | TX | Level 1 | No |
| Jun 4, 2025 | 84887933 | TX | Level 2 | No |
| May 11, 2025 | 84653367 | KY | Level 2 | No |
| May 1, 2025 | 84656330 | TX | Level 2 | No |