393.47G — Brake actuators/chambers defective
FMCSA violation code under Vehicle Maintenance. 15 events recorded in roadside inspections. Severity weight: 7.
Violation Description
Brake actuators, chambers, or other brake components are defective or not functioning properly.
About This Violation Code
Code 393.47G falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (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 393.47G in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.47G 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 393.47G citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.47G 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 • 10 carriers total
Top Carriers with 393.47G Violations
| # | Carrier | USDOT | # Violations |
|---|---|---|---|
| #1 | D&Y EXPRESS INC | 4369210 | 4 |
| #2 | MEDALLION TRANSPORT & LOGISTICS LLC | 86734 | 2 |
| #3 | TITO CHAVEZ | 3671505 | 2 |
| #4 | AMBITIOUS INSPIRED TRUCKING LLC | 3522420 | 1 |
| #5 | 57 CONCRETE LLC | 3326929 | 1 |
| #6 | BASIC TRANSPORT LLC | 4002343 | 1 |
| #7 | PETROLEUM EXPRESS INC | 1922866 | 1 |
| #8 | SUNFRESH FOOD SERVICE INC | 482039 | 1 |
| #9 | JOE'S TOWING & RECOVERY INC | 4450654 | 1 |
| #10 | TKRAFT INC | 2596362 | 1 |
Recent Inspections
Latest inspections where 393.47G was cited • 15 total events
Recent Inspections with 393.47G
Showing 10 of 15
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Mar 28, 2026 | 87466741 | TX | Level 1 | No |
| Mar 26, 2026 | 87440859 | TX | Level 1 | Yes |
| Feb 13, 2026 | 87191437 | TX | Level 2 | Yes |
| Jan 30, 2026 | 86947981 | TX | Level 1 | No |
| Dec 26, 2025 | 86668643 | TX | Level 2 | Yes |
| Nov 21, 2025 | 86405753 | TX | Level 1 | No |
| Nov 14, 2025 | 86341123 | TX | Level 1 | No |
| Nov 14, 2025 | 86341150 | TX | Level 1 | No |
| Mar 25, 2025 | 84229672 | PA | Level 1 | No |
| Jan 17, 2025 | 83636521 | AL | Level 1 | Yes |