DBA: Qualitrans
Sean Park is an active interstate carrier based in Diamond Bar, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 95% | 94% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 90% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 17, 2025 | AZ | TRUCK TRACTOR | 2 | 0 |
| Oct 21, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Sep 9, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Apr 1, 2025 | NC | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2025 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
Shared phone · 1
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 2 | 0.64 | — |
| Vehicle Maintenance | 5 | 6.90 | — |
| Driver Fitness | 1 | 2.78 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 6 states. Top state AZ accounts for 44% of activity. Activity outside home state (CA): 89%.
+1 other state with fewer inspections
| 1 |
| Hours-of-Service Compliance | 2 | 0 | 1 |
| LA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Feb 6, 2025 | AZ | TRUCK TRACTOR | 2 | 0 |
| Nov 7, 2024 | AZ | TRUCK TRACTOR | 4 | 2 |
| Jul 8, 2024 | AZ | TRUCK TRACTOR | 0 | 0 |
| Jun 24, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 17, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Nov 17, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Sep 9, 2025 | 39355E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Vehicle Maintenance | — |
| Feb 6, 2025 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |
| Feb 6, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance | — |
| Nov 7, 2024 | 39347BBMBCBDSA | Drum Brake - Mismatched brake chamber sizes on a steering axle | Vehicle Maintenance | Yes |
| Nov 7, 2024 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Nov 7, 2024 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Nov 7, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jun 24, 2024 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |