TruckCodex

393.47(c) — Brake actuators/chambers defective

FMCSA violation code under Vehicle Maintenance. 1,460 events recorded in roadside inspections. Severity weight: 7.

Severity Weight
7
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,460
Code
393.47(c)
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
7
Violation Group
—
Total Events
1,460
Carriers Cited
969

Violation Description

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

About This Violation Code

Code 393.47(c) 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 393.47 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,460
OOS Events
101
OOS Rate
6.9%
Top State (180d)
—

Top Carriers Cited

Ranked by frequency • 969 carriers total • Page 1 of 39

Top Carriers with 393.47(c) Violations

Showing 25 of 969

fmcsa-violations
Top Carriers with 393.47(c) Violations
#CarrierUSDOT# Violations
#1CNC LOGISTICS S DE RL DE CV272620315
#2JESUS GILBERTO GALVAN MENDOZA300556514
#3TRANSPORTES 4 AMIGOS S DE RL DE CV397146713
#4TRANSPORTES AGUILA DE CIUDAD JUAREZ SA DE CV55536511
#5OPERADORA DE TRANSPORTE INTERNACIONAL SA DE CV6834289
#6TRANSPORTES DE CARGA SAUL SALINAS SA DE CV5576768
#7MANUEL ANDAZOLA OLIVAS16416408
#8TRANSPORTES UNIDOS CASTANEDA SAPI DE CV7804078
#9AUTOTRANSPORTES ROMEDU SA DE CV11482598
#10JESUS PEDRO PEREZ CARRILLO11598518
#11JOSE ALONSO SARMIENTO TORRES22899927
#12FLETES MARSA INTERNACIONAL SA DE CV6660906
#13OSCAR ENRIQUE SALDANA MENDIVIL7621086
#14OCTAVIO ANDRADE CORELLA5584406
#15FLETES INTERNACIONALES QUINONES SA DE CV31961946
#16RS TRANSFER SA DE CV11568256
#17GILBERTO CARRANZA-GOMEZ7868406
#18TRANSERVICIOS SA DE CV5587905
#19SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV8181755
#20HUGO MANUEL SANCHEZ ACOSTA25652355
#21PETROLIFICOS DE MONTERREY SA DE CV39104645
#22CLAUDIA BELINDA ANDARZA LEAL9634355
#23NICOLAS FLORES BENAVIDES28940175
#24SOPORTE Y SERVICIOS EN PRODUCTOS INDUSTRIALES S DE RL DE CV31528685
#25TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V7111255

Recent Inspections

Latest inspections where 393.47(c) was cited • 1,460 total events • Page 1 of 59

Recent Inspections with 393.47(c)

Showing 25 of 1,460

fmcsa-inspections
Recent Inspections with 393.47(c)
DateReport #StateLevelOOS
Oct 14, 202482904618USLevel 1No
Oct 12, 202482898376USLevel 1No
Oct 11, 202482902709CALevel 1No
Oct 11, 202482898076USLevel 1No
Oct 11, 202482886030USLevel 1No
Oct 10, 202482885788USLevel 1No
Oct 10, 202482877031USLevel 1No
Oct 9, 202482873287USLevel 1No
Oct 9, 202482873500USLevel 1No
Oct 8, 202482863758USLevel 1No
Oct 8, 202482902981CALevel 1No
Oct 8, 202482877054USLevel 1No
Oct 8, 202482862070USLevel 1Yes
Oct 7, 202482860654TXLevel 1No
Oct 7, 202482865084NDLevel 1No
Oct 7, 202482900442TXLevel 1No
Oct 5, 202482845252USLevel 1No
Oct 5, 202482844532USLevel 1No
Oct 4, 202482844362USLevel 1No
Oct 4, 202482844314USLevel 1No
Oct 4, 202482852678NYLevel 1No
Oct 4, 202482840294USLevel 1No
Oct 4, 202482865211USLevel 1No
Oct 4, 202482889362TXLevel 1No
Oct 4, 202482838613USLevel 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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