TruckCodex

393.47F — Brake actuators/chambers defective

FMCSA violation code under Vehicle Maintenance. 231 events recorded in roadside inspections. Severity weight: 7.

Severity Weight
7
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
231
Code
393.47F
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
7
Violation Group
—
Total Events
231
Carriers Cited
170

Violation Description

Brake actuators, chambers, or other brake components are defective or not functioning properly.

About This Violation Code

Code 393.47F 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 393.47F in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
231
OOS Events
0
OOS Rate
0.0%
Top State (180d)
Texas
75 events

Top Enforcing States

Where 393.47F is most commonly cited (last 180 days)

1.Texas
75
OOS 0.0%
2.Illinois
1
OOS 0.0%

Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.

Citation Trend (12 months)

Monthly count of 393.47F citations. Red bars mark months with OOS-triggering citations.

2
Apr
9
May
13
Jun
9
Jul
12
Aug
8
Sep
20
Oct
13
Nov
7
Dec
21
Jan
14
Feb
15
Mar

Most Active Stations

Inspection stations citing 393.47F most often (last 180 days)

1.COLUMBIA POE
8
OOS 0.0%
2.YSLETA POE
7
OOS 0.0%
3.BOTA POE
7
OOS 0.0%
4.VETERANS POE
4
OOS 0.0%
5.15000 EASTLAKE BLVD
4
OOS 0.0%
6.IH20 LORAINE SCALE
4
OOS 0.0%
7.PHARR POE
3
OOS 0.0%
8.EXIT 16 AT IH69E SB
3
OOS 0.0%
9.IH45 NB NEW WAVERLY SCALE
3
OOS 0.0%
10.13500 EAST FWY S SR
2
OOS 0.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

393.53B22 co-occurrences393.45B2UV16 co-occurrences393.99 co-occurrences393.47E8 co-occurrences396.3A1BOS8 co-occurrences393.75C5 co-occurrences396.3A15 co-occurrences396.5B5 co-occurrences393.45DLUV4 co-occurrences393.75B4 co-occurrences

Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).

Top Carriers Cited

Ranked by frequency • 170 carriers total • Page 1 of 7

Top Carriers with 393.47F Violations

Showing 25 of 170

fmcsa-violations
Top Carriers with 393.47F Violations
#CarrierUSDOT# Violations
#1MISSION PETROLEUM CARRIERS INC2329377
#2ALEX STONE MATERIALS LLC40588084
#3SOUTHERN METAL RECYCLING INC915434
#4OLEGARIO TOVAR GUERRERO41151494
#5EL PASO ROLL-OFF SERVICES LLC37338014
#6HAULIN COMMODITY LLC39994794
#7SOLUCIONES LOGISTICAS DEL NORTE SA DE CV34591053
#8MANUEL MOLINA HERRERA5565993
#9REN SERVICES INC20437243
#10CTL INTERNACIONALES SA DE CV29962683
#11WALT PENE TRUCKING LLC5443723
#12MARTIN FRANCISCO CAMPOS PEREZ6433663
#13RS TRANSFER SA DE CV11568253
#14MARGARITA MEDINA ROJAS13023853
#15ERVEY JIMENEZ29302112
#16KAZ TREE PROFESSIONAL SERVICE LLC36681972
#1757 CONCRETE LLC33269292
#18LEDEZMA TRUCKING LLC25809422
#19JULIO CESAR CIENFUEGOS GARZA23895662
#20EPTX ROCK COMPANY LLC40906072
#21RAUL RODRIGUEZ-MARZO28398512
#224G S TRUCKING LLC42328432
#23ELENILSON GAMEZ19662702
#24CNC OILFIELD SERVICES LLC24209022
#25HALEY NICOLE HANKS34760862

Recent Inspections

Latest inspections where 393.47F was cited • 231 total events • Page 1 of 10

Recent Inspections with 393.47F

Showing 25 of 231

fmcsa-inspections
Recent Inspections with 393.47F
DateReport #StateLevelOOS
Mar 31, 202687479414TXLevel 1No
Mar 31, 202687479659TXLevel 1No
Mar 27, 202687442380TXLevel 1No
Mar 26, 202687466507TXLevel 1No
Mar 26, 202687466841TXLevel 1No
Mar 25, 202687441398TXLevel 1No
Mar 17, 202687385921TXLevel 1No
Mar 17, 202687334316TXLevel 2No
Mar 12, 202687304171TXLevel 1No
Mar 12, 202687304419TXLevel 1No
Mar 3, 202687253964TXLevel 1No
Feb 24, 202687165544TXLevel 1No
Feb 24, 202687181739TXLevel 2No
Feb 17, 202687079550TXLevel 2No
Feb 17, 202687079291TXLevel 1No
Feb 17, 202687079651TXLevel 1No
Feb 12, 202687044934TXLevel 1No
Feb 12, 202687091003TXLevel 1No
Feb 12, 202687044417TXLevel 2No
Feb 10, 202687033463TXLevel 1No
Feb 10, 202687065869TXLevel 2No
Feb 7, 202687009065TXLevel 2No
Feb 6, 202687019776TXLevel 1No
Feb 2, 202686967624TXLevel 2No
Jan 30, 202686939261TXLevel 1No

Data sources & freshness

FMCSA Vehicle Inspections and Violations
Unknown freshness
Federal Motor Carrier Safety Regulations (49 CFR)
Unknown freshness

Related records

CategoryAll Vehicle Maintenance Violations
Browse all violation codes in the Vehicle Maintenance BASIC
IndexAll Violation Codes
FMCSR violation codes by BASIC category
ReferenceFMCSA Roadside Inspections
Inspection levels and procedures
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