License Plate WA RP21623 (Washington) — Mark Alcorn
USDOT 2520548 · 2007 Peterbilt 379
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-05-06 | 1XP5D49X27N673773 | WA RP21623 | MARK ALCORN · USDOT 2520548 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this plate
Mark Alcorn Active
- USDOT
- 2520548
- MC
- 874941
- Status
- Active
- Type
- Motor Carrier
- Based in
- Spokane, WA
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 2
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-05-06). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate WA-RP21623 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1XP5D49X27N673773 (2007 Peterbilt 379). Most recent operating carrier: Mark Alcorn (USDOT 2520548). Vehicle make on file: Peterbilt (PTRB) (TRUCK TRACTOR). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.
About this plate
Commercial license plate WA-RP21623 (Washington) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-09-30 to 2026-05-06. The latest inspection was in Washington, a Level III — driver and paperwork only.
Vehicle on this plate
This plate is associated with a single vehicle, a 2007 Peterbilt 379 — VIN 1XP5D49X27N673773 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations. The leading violation category is Fatigued Driving (HOS) (2), then Unsafe Driving (1). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operators
Operated by Mark Alcorn (USDOT 2520548) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Fatigued Driving (HOS) | 2 | ! Moderate |
| Unsafe Driving | 1 | — Minor |
| Vehicle Maintenance | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |