TruckCodex

396.3A1-AR — Brake - Defective Air Reservoir

FMCSA violation code under Vehicle Maintenance. 917 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
917
Code
396.3A1-AR
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
917
Carriers Cited
813

Violation Description

Brake - Defective Air Reservoir

About This Violation Code

Code 396.3A1-AR 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 396.3A1 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
917
OOS Events
719
OOS Rate
78.4%
Top State (180d)
Texas
252 events

Top Enforcing States

Where 396.3A1-AR is most commonly cited (last 180 days)

1.Texas
252
OOS 85.3%
2.Illinois
7
OOS 42.9%
3.New Mexico
7
OOS 100.0%
4.North Carolina
6
OOS 100.0%
5.Iowa
2
OOS 50.0%
6.Kentucky
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 396.3A1-AR citations. Red bars mark months with OOS-triggering citations.

16
Apr
62
May
53
Jun
56
Jul
38
Aug
42
Sep
60
Oct
44
Nov
39
Dec
57
Jan
49
Feb
57
Mar
3
Apr

Most Active Stations

Inspection stations citing 396.3A1-AR most often (last 180 days)

1.COLUMBIA POE
36
OOS 61.1%
2.VETERANS POE
14
OOS 92.9%
3.INDIOS POE
12
OOS 100.0%
4.YSLETA POE
8
OOS 100.0%
5.BOTA POE
7
OOS 100.0%
6.US281 SB FALFURRIAS SCALE
6
OOS 66.7%
7.CAMINO REAL POE
4
OOS 100.0%
8.SH-0225 IN HARRIS CO. (686-700
4
OOS 100.0%
9.IH35 SB SAN MARCOS SCALE
4
OOS 100.0%
10.IH35 SB DEVINE SCALE
4
OOS 50.0%

Often Cited Together

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

393.47E64 co-occurrences393.949 co-occurrences393.45B2UV40 co-occurrences396.3A139 co-occurrences396.5B30 co-occurrences393.207A30 co-occurrences393.48A29 co-occurrences393.53B29 co-occurrences392.2RG26 co-occurrences396.3A1BOS26 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 813 carriers total • Page 1 of 33

Top Carriers with 396.3A1-AR Violations

Showing 25 of 813

fmcsa-violations
Top Carriers with 396.3A1-AR Violations
#CarrierUSDOT# Violations
#1RGH HAULING LLC41828656
#2TRANSPORTES LARMEX SA DE CV24363536
#3AVERITT EXPRESS INC366843
#4MTTO TRUCKING LLC43486313
#5JORGE ANTONIO SEPULVEDA24727393
#6CRISTIAN MELENDEZ CISNEROS33421593
#7SCHNEIDER NATIONAL CARRIERS INC2641843
#8SOLUCIONES LOGISTICAS DEL NORTE SA DE CV34591053
#9JULIO CESAR CIENFUEGOS GARZA23895663
#10STX CARRIERS LLC26354493
#11IVAN JESUS RUIZ HERNANDEZ31748063
#12R V TRANSPORT LOGISTIC LLC20514362
#13GREENWOOD MOTOR LINES INC633912
#14WESTERN EXPRESS INC5114122
#15CARO TRANSPORT LLC39394872
#16OSCAR DANIEL PRADO VIRGEN39853462
#17MARIA CRISTINA SOLIS MONTEMAYOR39415482
#18AUTOTRANSPORTES ROMEDU SA DE CV11482592
#19JOSE ZACARIAS REYES18730242
#20HECTOR TREVINO MARTINEZ32560782
#21COBB TRUCKING CO LLC15825912
#22GERARDO AGUILAR GARCIA15821052
#232W SERVICES LLC28285652
#24EDISBEL MARCE RODRIGUEZ19418972
#25ROSDEL LOGISTIC SA DE CV41155072

Recent Inspections

Latest inspections where 396.3A1-AR was cited • 917 total events • Page 1 of 37

Recent Inspections with 396.3A1-AR

Showing 25 of 917

fmcsa-inspections
Recent Inspections with 396.3A1-AR
DateReport #StateLevelOOS
Apr 2, 202687488002TXLevel 1Yes
Apr 2, 202687487839TXLevel 1Yes
Apr 1, 202687479494TXLevel 2Yes
Mar 31, 202687468385TXLevel 1Yes
Mar 31, 202687487410TXLevel 1Yes
Mar 31, 202687460211NCLevel 2Yes
Mar 30, 202687467034TXLevel 1Yes
Mar 30, 202687467283TXLevel 1Yes
Mar 28, 202687466833TXLevel 1Yes
Mar 27, 202687443078TXLevel 1Yes
Mar 27, 202687466947TXLevel 1No
Mar 27, 202687441856TXLevel 2Yes
Mar 26, 202687488266TXLevel 1Yes
Mar 26, 202687419270NMLevel 1Yes
Mar 26, 202687442016TXLevel 2Yes
Mar 25, 202687442576TXLevel 1Yes
Mar 25, 202687424153TXLevel 1Yes
Mar 25, 202687441464TXLevel 1Yes
Mar 23, 202687442267TXLevel 1Yes
Mar 23, 202687385215TXLevel 2Yes
Mar 23, 202687397606TXLevel 2Yes
Mar 23, 202687398060TXLevel 1Yes
Mar 23, 202687468982TXLevel 2Yes
Mar 20, 202687371668IALevel 1No
Mar 19, 202687409943TXLevel 1Yes

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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