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Roadside Inspection 89072552

Roadside inspection on Sep 21, 2026 in Maryland • Carrier: COWAN SYSTEMS LLC (USDOT 548880) • Vehicle: PETERBILT TRUCK TRACTOR

Vehicle OOS Driver: OK CVSA L1
Units Inspected
2
Total Violations
6
OOS Violations
1
17% of violations
Inspection Level
Level 1

Inspection Details

Key facts from the FMCSA inspection record.

Inspection #:
89072552
Date:
Sep 21, 2026
State:
Maryland
Type:
—
Units inspected:
2
Violations:
6
HazMat:
No
Inspection site:
PERRYVILLE MD
Carrier (USDOT):
COWAN SYSTEMS LLC (548880)
Operating authority:
MC271882
Vehicle:
PETERBILT 579 TRUCK TRACTOR
Plate:
3095519 (IN)

What this inspection means

The vehicle was placed out of service at this inspection.

Cited issues fall mainly under Vehicle Maintenance, with a combined severity weight of 20.

Compared to the median Level 1 inspection nationwide in 2026, this is a more severe than typical result.

Severity context

How mild, normal, or severe was this inspection compared to its carrier, state, and station?

vs this carrier's typical
6
Heavier than carrier average
Carrier averages 0.82 violations per inspection across 3,476 prior records
vs Level 1 median in Maryland
6
Heavier than median (1)
Median of 11,727 Level 1 inspections in Maryland during 2026
vs typical at PERRYVILLE MD
6
Heavier than station median (0)
Median of 8,490 inspections at this station in the trailing 12 months

How this compares

National peer benchmarks for inspections at this level.

Violations vs Level 1 median
6
5 more than the median (1)
Compared to 451,312 Level 1 inspections nationwide in 2026
OOS at this inspection
Yes
Cohort OOS rate: 28.9%
Out-of-service rate across all Level 1 inspections in 2026
Carrier clean-inspection rate (12 mo)
53%
908 inspections in the trailing 12 months
Computed from this carrier's inspection history

Carrier trend at this moment

How active was this carrier's inspection record around this date?

Prior 30 days
67
79 violations · 12 OOS
Prior 90 days
189
181 violations · 28 OOS · 0.96 per inspection
Prior 365 days
908
834 violations · 132 OOS · 0.92 per inspection
Honest opinion

An out-of-service order is one of the most consequential outcomes a roadside inspection can produce — the most heavily-weighted OOS citation here was 396.3A1-BOS (Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination., severity weight 0). (396.3A1-BOS)

Units Inspected

2 unit(s) covered by this inspection.

Seq Type VIN Plate Make Model Year OOS
1 TRUCK TRACTOR 1XPBDP9X3MD731718 IN 3095519 PETERBILT 579 2021 —
2 SEMI-TRAILER 1JJV532D8NL320415 ME 2949968 WABASH VANS Dry Van Duraplate 2022 —

Violations Cited

6 violation(s) recorded against this inspection.

Code Description Severity Wt BASIC OOS
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 4 Vehicle Maintenance —
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 4 Vehicle Maintenance —
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 4 Vehicle Maintenance —
393.53B-B Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear. 4 Vehicle Maintenance —
396.3A1-BALAC Brake - Audible air leak from a brake chamber 4 Vehicle Maintenance —
396.3A1-BOS Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination. 0 Vehicle Maintenance OOS

Violation categories (BASICs)

Federal behavior-analysis-and-safety-improvement buckets for the cited violations.

Nearby inspections (same carrier, ±60 days)

Other times this carrier was inspected around the same date.

Inspection Date State Level Location Violations OOS
89107387 Sep 26, 2026 MI L3 MONROE SCALE N/B 1 —
89099988 Sep 25, 2026 NJ L3 PISCATAWAY SCALE 0 —
89103243 Sep 24, 2026 TN L3 ONLY TN 0 —
89090600 Sep 24, 2026 KY L1 FRANKLIN KY 1 OOS
89090583 Sep 24, 2026 PA L3 PENN FOREST TOWNSHIP PA 1 —
89085431 Sep 24, 2026 PA L2 LOWER MAKEFIELD TWP PA 1 —

Other inspections of these vehicles

History for the VINs recorded on this inspection.

Inspection Date State Level VIN OOS
87233754 Mar 6, 2026 MD L2 1XPBDP9X3MD731718 —
83035615 Oct 30, 2024 MD L2 1JJV532D8NL320415 —
80485829 Dec 22, 2023 ID L1 1JJV532D8NL320415 —

Related records

Recent activity at PERRYVILLE MD

Other carriers inspected here recently.

Inspection Date Carrier Violations OOS
89106211 Sep 25, 2026 JERUSALEM TRUCKING LLC 11 OOS
89106002 Sep 25, 2026 GVNL TRANSPORT LLC 8 OOS
89105995 Sep 25, 2026 PHOENIX CARGO LLC 1 OOS
89105944 Sep 25, 2026 CHESAPEAKE SERVICE CENTER LLC 2 OOS
89105938 Sep 25, 2026 DEDICATED FLEET SERVICES LLC 0 —
89105885 Sep 25, 2026 VILLALONA TRANSPORT LLC 1 —