TruckCodex

393.75A3 — Tire-flat and/or audible air leak

FMCSA violation code under Vehicle Maintenance. 43,804 events recorded in roadside inspections. Severity weight: N/A.

Severity Weight
N/A
OOS Eligible
No
BASIC Category
Vehicle Maintenance
Total Events
43,804
Code
393.75A3
Code System
FMCSR
BASIC Category
Vehicle Maintenance
OOS Eligible
No
Severity Weight
N/A
Violation Group
—
Total Events
43,804
Carriers Cited
20,897

Violation Description

Tire-flat and/or audible air leak

About This Violation Code

Code 393.75A3 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 393.75A3 in the Federal Motor Carrier Safety Regulations.

View on eCFR.gov →FMCSA Violations Search →
Events (all time)
43,804
OOS Events
40,713
OOS Rate
92.9%
Top State (180d)
Texas
8,628 events

Top Enforcing States

Where 393.75A3 is most commonly cited (last 180 days)

1.Texas
8,628
OOS 90.1%
2.New Mexico
1,917
OOS 100.0%
3.North Carolina
1,296
OOS 98.1%
4.Illinois
317
OOS 97.2%
5.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 393.75A3 citations. Red bars mark months with OOS-triggering citations.

1,237
Apr
2,229
May
1,766
Jun
1,965
Jul
1,800
Aug
1,781
Sep
1,960
Oct
1,957
Nov
2,194
Dec
2,367
Jan
2,353
Feb
2,388
Mar
87
Apr

Most Active Stations

Inspection stations citing 393.75A3 most often (last 180 days)

1.LORDSBURG PORT OF ENTRY
1,049
OOS 100.0%
2.IH45 NB NEW WAVERLY SCALE
401
OOS 93.0%
3.VETERANS POE
385
OOS 93.0%
4.COLUMBIA POE
325
OOS 89.8%
5.PHARR POE
235
OOS 91.9%
6.INDIOS POE
203
OOS 91.1%
7.US59 NB QUEEN CITY SCALE
197
OOS 97.0%
8.NM
181
OOS 100.0%
9.IH35 NB DEVINE SCALE
168
OOS 93.5%
10.ANTHONY PORT OF ENTRY
167
OOS 100.0%

Often Cited Together

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

393.91,989 co-occurrences392.2RG887 co-occurrences393.78715 co-occurrences396.17C694 co-occurrences393.47E652 co-occurrences392.2W638 co-occurrences393.9TS594 co-occurrences393.45B2UV582 co-occurrences396.3A1537 co-occurrences396.5B491 co-occurrences

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

Top Carriers Cited

Ranked by frequency • 20,897 carriers total • Page 1 of 836

Top Carriers with 393.75A3 Violations

Showing 25 of 20,897

fmcsa-violations
Top Carriers with 393.75A3 Violations
#CarrierUSDOT# Violations
#1SWIFT TRANSPORTATION CO OF ARIZONA LLC54283147
#2FEDERAL EXPRESS CORPORATION86876133
#3J B HUNT TRANSPORT INC80806119
#4US XPRESS INC303024102
#5TRANSPORTES DE CARGA SAUL SALINAS SA DE CV55767678
#6RS TRANSFER SA DE CV115682578
#7SCHNEIDER NATIONAL CARRIERS INC26418476
#8WERNER ENTERPRISES INC5346773
#9UNITED PARCEL SERVICE INC2180068
#10MVT SERVICES LLC27017962
#11WESTERN EXPRESS INC51141260
#12ANNETT HOLDINGS INC8740959
#13AUTOTRANSPORTES FRONTERIZOS MG SA DE CV177053454
#14TRANSPORTADORA NORTE DE CHIHUAHUA S A DE C V71112551
#15TRANSPORTE INTERNACIONAL LOPEZ OCHOA SA DE C V104190749
#16CRETE CARRIER CORPORATION7370548
#174G TRANSFER US-MEX SA DE CV282865148
#18RUBEN CARLOS TREVINO SANCHEZ164968948
#19JESUS MA VALDEZ GARCIA253478447
#20P&S TRANSPORTATION LLC124333847
#21VRP TRANSPORTES DE MEXICO S DE RL DE CV66205846
#22JOSE ALONSO SARMIENTO TORRES228999246
#23TRILLIUM OTR LLC323470444
#24CRST EXPEDITED INC5377343
#25GULF WINDS INTERNATIONAL INC69014743

Recent Inspections

Latest inspections where 393.75A3 was cited • 43,804 total events • Page 1 of 1753

Recent Inspections with 393.75A3

Showing 25 of 43,804

fmcsa-inspections
Recent Inspections with 393.75A3
DateReport #StateLevelOOS
Apr 2, 202687486626NCLevel 2Yes
Apr 2, 202687486473NCLevel 2Yes
Apr 2, 202687487363TXLevel 2Yes
Apr 2, 202687486438NCLevel 2Yes
Apr 2, 202687486302NCLevel 2Yes
Apr 2, 202687486437NCLevel 2Yes
Apr 2, 202687486306NCLevel 2Yes
Apr 2, 202687486489NCLevel 2Yes
Apr 2, 202687486661NCLevel 2Yes
Apr 2, 202687486537NCLevel 1Yes
Apr 2, 202687486573NCLevel 2Yes
Apr 2, 202687487898TXLevel 1Yes
Apr 2, 202687487797TXLevel 2Yes
Apr 2, 202687488294TXLevel 2Yes
Apr 2, 202687487875TXLevel 2Yes
Apr 2, 202687486828ILLevel 1Yes
Apr 2, 202687486547NCLevel 2Yes
Apr 1, 202687488181TXLevel 2Yes
Apr 1, 202687488149TXLevel 1Yes
Apr 1, 202687488132TXLevel 2No
Apr 1, 202687488120TXLevel 1Yes
Apr 1, 202687488094TXLevel 2Yes
Apr 1, 202687488000TXLevel 2Yes
Apr 1, 202687487997TXLevel 2Yes
Apr 1, 202687487985TXLevel 2Yes

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
ToolSearch Carriers
Look up carriers by USDOT, name, or VIN