Roadside Inspection 88806629

Roadside inspection on Aug 26, 2026 in California • Carrier: JOHN C BARNUM (USDOT 2263881) • Vehicle: PETERBILT TRUCK TRACTOR

Vehicle OOS Driver: OK CVSA L1
Units Inspected
2
Total Violations
5
OOS Violations
1
20% of violations
Inspection Level
Level 1

Inspection Details

Key facts from the FMCSA inspection record.

Inspection #:
88806629
Date:
Aug 26, 2026
State:
California
Type:
Units inspected:
2
Violations:
5
HazMat:
No
Inspection site:
RATTLESNAKE SCALES
Carrier (USDOT):
JOHN C BARNUM (2263881)
Vehicle:
PETERBILT 389 TRUCK TRACTOR
Plate:
AN5638 (ID)

What this inspection means

The vehicle was placed out of service at this inspection.

Cited issues fall mainly under Vehicle Maintenance and Unsafe Driving, with a combined severity weight of 22.

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
5
Heavier than carrier average
Carrier averages 1.67 violations per inspection across 15 prior records
vs Level 1 median in California
5
Heavier than median (1)
Median of 98,094 Level 1 inspections in California during 2026
vs typical at RATTLESNAKE SCALES
5
Heavier than station median (0)
Median of 316 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
5
4 more than the median (1)
Compared to 403,278 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 trend at this moment

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

Prior 30 days
0
No inspections in this window
Prior 90 days
1
4 violations · 0 OOS · 4.00 per inspection
Prior 365 days
2
8 violations · 0 OOS · 4.00 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 393.9A-LSLIWR (Lighting - Stop lamps - Both inoperative when required to be on., severity weight 6). (393.9A-LSLIWR)

Units Inspected

2 unit(s) covered by this inspection.

Seq Type VIN Plate Make Model Year OOS
1 TRUCK TRACTOR 1XPXDP9X1JD440636 ID AN5638 PETERBILT 389 2018
2 SEMI-TRAILER 1C9111440SP389635 CA 4SH6117 CPS TRAILER COMPANY Hopper Trailer 2025

Violations Cited

5 violation(s) recorded against this inspection.

Code Description Severity Wt BASIC OOS
392.2-SLLSR State/Local Laws - State registration/tag violation. 8 Unsafe Driving
393.9A-LSLIWR Lighting - Stop lamps - Both inoperative when required to be on. 6 Vehicle Maintenance OOS
393.47E Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt 4 Vehicle Maintenance
393.205C-WRAWFLMIB Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. 2 Vehicle Maintenance
393.9A-LSML Lighting - Side marker lamp(s) inoperative. 2 Vehicle Maintenance

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
88485096 Jul 22, 2026 CA L2 S/B US-97 DORRIS AG STATION 4

Other inspections of these vehicles

History for the VINs recorded on this inspection.

Inspection Date State Level VIN OOS
84098141 Mar 11, 2025 CA L2 1XPXDP9X1JD440636
83379962 Dec 11, 2024 NV L3 1XPXDP9X1JD440636
82450198 Aug 20, 2024 CA L1 1C9111440SP389635 OOS
82450198 Aug 20, 2024 CA L1 1XPXDP9X1JD440636 OOS

Related records

Recent activity at RATTLESNAKE SCALES

Other carriers inspected here recently.

Inspection Date Carrier Violations OOS
88811407 Aug 26, 2026 TRI COUNTIES TRUCKING 1
88811208 Aug 26, 2026 TRI COUNTIES TRUCKING 2
88810394 Aug 26, 2026 TRI COUNTIES TRUCKING 3 OOS
88809882 Aug 26, 2026 TRI COUNTIES TRUCKING 2 OOS
88802495 Aug 26, 2026 TRI COUNTIES TRUCKING 2 OOS
88802422 Aug 26, 2026 WALSH TRUCKING CO LTD 2 OOS