TruckCodex

393.47A-BCFSAD — Brake chamber - cracked/broken

FMCSA violation code under Vehicle Maintenance. 1,263 events recorded in roadside inspections. Severity weight: 8.

Severity Weight
8
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
1,263
Code
393.47A-BCFSAD
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
8
Violation Group
—
Total Events
1,263
Carriers Cited
1,096

Violation Description

Brake chamber on CMV has a cracked or broken housing.

About This Violation Code

Code 393.47A-BCFSAD falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 8 (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 393.47A in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
1,263
OOS Events
88
OOS Rate
7.0%
Top State (180d)
California
73 events

Top Enforcing States

Where 393.47A-BCFSAD is most commonly cited (last 180 days)

1.California
73
OOS 30.1%
2.Missouri
35
OOS 0.0%
3.US
20
OOS 0.0%
4.Tennessee
20
OOS 0.0%
5.Kentucky
19
OOS 26.3%
6.Arizona
14
OOS 0.0%
7.Ohio
11
OOS 0.0%
8.New York
11
OOS 0.0%
9.Maryland
10
OOS 0.0%
10.Pennsylvania
10
OOS 0.0%
11.Florida
9
OOS 0.0%
12.Montana
9
OOS 0.0%
13.Colorado
8
OOS 0.0%
14.Utah
8
OOS 0.0%
15.South Dakota
7
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 393.47A-BCFSAD citations. Red bars mark months with OOS-triggering citations.

38
Apr
75
May
64
Jun
73
Jul
109
Aug
70
Sep
81
Oct
60
Nov
56
Dec
72
Jan
51
Feb
67
Mar
5
Apr

Most Active Stations

Inspection stations citing 393.47A-BCFSAD most often (last 180 days)

1.DESERT HILLS IF
15
OOS 73.3%
2.LONDON
12
OOS 41.7%
3.LAREDO TX
11
OOS 0.0%
4.ARDMORE TN
10
OOS 0.0%
5.MAYVIEW MO
9
OOS 0.0%
6.ST CLAIR MO
8
OOS 0.0%
7.JOPLIN MO
7
OOS 0.0%
8.SAN SIMON AZ
7
OOS 0.0%
9.TILFORD SD
7
OOS 0.0%
10.MOHAWK TN
6
OOS 0.0%

Often Cited Together

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

396.5B-HWSL75 co-occurrences393.47E42 co-occurrences396.3A1-BOS40 co-occurrences393.75A3-TAOL29 co-occurrences393.45B2-B-AIR25 co-occurrences393.53B-B23 co-occurrences396.17C-PI16 co-occurrences396.5B-L16 co-occurrences393.45D-B13 co-occurrences393.55E-B13 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 1,096 carriers total • Page 1 of 44

Top Carriers with 393.47A-BCFSAD Violations

Showing 25 of 1,096

fmcsa-violations
Top Carriers with 393.47A-BCFSAD Violations
#CarrierUSDOT# Violations
#1WESTERN EXPRESS INC51141216
#2WERNER ENTERPRISES INC534679
#3SCHNEIDER NATIONAL CARRIERS INC2641845
#4US XPRESS INC3030245
#5UNITED PARCEL SERVICE INC218005
#67 BROTHERS TRANSPORT CORP44578734
#7BEST WAY LOGISTICS 1 INC19166384
#8ISIDORO MATA LOPEZ6170084
#9PERFORMANCE TRANSPORTATION LLC2701504
#10JETT TRUCKING42847264
#11SWIFT TRANSPORTATION CO OF ARIZONA LLC542833
#12VS CARRIER INC29883093
#13CRUZIN TRUCKING LLC35433683
#14INTRANSIT LOGISTICS INC29037013
#15R & J WELL SERVICE INCORPORATED6666883
#16SPECIAL FREIGHT SOLUTIONS INC33962683
#17MANGROVE TRANSPORTATION INC29194303
#18ROBERTSON TRUCKS LLC36667263
#19J & P TRUCKING COMPANY LLC21049063
#20PENSKE LOGISTICS LLC2680153
#21UNIVERSITY CORP2002363
#22INTERLINE LLC25766803
#23SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV8181753
#24GREEN BROTHERS LOGISTICS CORP32693263
#25KTR LOGISTICS INC19923543

Recent Inspections

Latest inspections where 393.47A-BCFSAD was cited • 1,263 total events • Page 1 of 51

Recent Inspections with 393.47A-BCFSAD

Showing 25 of 1,263

fmcsa-inspections
Recent Inspections with 393.47A-BCFSAD
DateReport #StateLevelOOS
Apr 1, 202687482792TNLevel 1No
Apr 1, 202687459777KYLevel 1Yes
Apr 1, 202687478135MILevel 1No
Apr 1, 202687459294ORLevel 5No
Apr 1, 202687480316CALevel 1Yes
Mar 31, 202687473913AZLevel 1No
Mar 31, 202687473153COLevel 1No
Mar 29, 202687438185SDLevel 2No
Mar 29, 202687446732NYLevel 1No
Mar 28, 202687444676CALevel 1No
Mar 27, 202687450982MOLevel 1No
Mar 27, 202687444991CALevel 1Yes
Mar 26, 202687427766PALevel 1No
Mar 26, 202687473772NYLevel 1No
Mar 26, 202687401951PALevel 1No
Mar 26, 202687415693MOLevel 1No
Mar 26, 202687422672PALevel 1No
Mar 26, 202687425838MDLevel 1No
Mar 25, 202687403573UTLevel 1No
Mar 25, 202687431897MOLevel 2No
Mar 25, 202687403775TNLevel 1No
Mar 24, 202687393871USLevel 1No
Mar 24, 202687383508KYLevel 1No
Mar 23, 202687404618MOLevel 2No
Mar 23, 202687413111MDLevel 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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