Proving Negligent Maintenance After a Truck Accident

The report came back saying the brakes failed. Maybe it was a tire that came apart on the highway or a trailer running dark at dusk. To the person who was hurt and the family member handling the paperwork, “mechanical failure” reads like a closed file on a Washington truck accident claim.

Reading it that way ends the claim before anyone tests it. Meanwhile, the paychecks have stopped or shrunk to light-duty hours that don’t cover the bills. The documents that would settle the question sit with the company that would be paying, and they expire.

In truck accidents due to negligent maintenance, we work the records first: the driver’s daily reports, the shop’s work orders, and the annual inspection file. We move early on evidence that never touches paper, including event data recorder downloads and dashcam footage, and we file Freedom of Information Act requests for a carrier’s safety history. That is what separates “the brakes failed” from proof of who let them fail.

What Counts as Negligent Truck Maintenance?

A part that breaks is not automatically negligence. Negligent truck maintenance is a failure to inspect, repair, or replace something the carrier was required to inspect, repair, or replace.

That distinction moves the question off the crash and onto the weeks before. In a brake failure truck accident, the issue isn’t whether the brakes failed. It’s what the carrier did beforehand.

On a grade like those found on the various mountain passes of Washington state (or descents like the Lewiston grade), a loaded trailer with brakes out of adjustment didn’t become dangerous on the descent. It became dangerous the last time somebody signed it back into service.

Federal rule names the parts a driver checks and writes up at the end of every shift, where improper truck maintenance shows first:

• Service brakes, including trailer brake connections
• Parking brake
• Steering mechanism
• Tires, wheels, and rims
• Lighting devices and reflectors
• Coupling devices

Failure in any of those categories is documented rather than a matter of opinion. It is one of several causes of truck accidents in Washington, and it leaves the longest paper trail.

What Maintenance Rules Do Trucking Companies Have to Follow in Washington?

How often a truck gets serviced is not the company’s call. The Federal Motor Carrier Safety Administration (FMCSA) rule at 49 CFR 396.3(a) requires every motor carrier to systematically inspect, repair, and maintain the vehicles under its control. That is a written obligation, and a company either met it or didn’t.

Washington didn’t write its truck maintenance code. It adopted the federal one.

Under WAC 446-65-010(1)(v), the Washington State Patrol adopts 49 CFR Part 396, Inspection, repair, and maintenance, as it exists on April 25, 2025, for motor carriers used in intrastate or interstate commerce. The same commercial truck inspection requirements apply to a hauler running State Route 17 and an interstate fleet on Interstate 90.

The State Patrol enforces those FMCSA maintenance regulations through safety audits and compliance reviews under RCW 46.32.080(1). None of that creates a private lawsuit. It does provide a fixed standard to measure the company against rather than an argument about what a careful carrier would do.

What Records Prove a Truck Was Not Maintained?

The proof in truck accidents due to negligent maintenance isn’t a theory about what the company should have known. It’s paper, and federal rule makes the carrier create it.

Each of these truck maintenance records sits with a different party:

• Driver vehicle inspection report: The driver’s end-of-shift write-up on brakes, steering, tires, lights, and couplings under 49 CFR 396.11, held by the carrier.
• Inspection, repair, and maintenance file: Work orders, parts invoices, and shop records under 49 CFR 396.3, held by the carrier or its repair shop.
• Annual inspection report: The periodic inspection record required under 49 CFR 396.17, held by whoever performed it.
• Roadside inspection and violation history: The carrier’s federal safety record, held by the FMCSA and public.
• The physical evidence: The failed component, the event data recorder download, and dashcam footage held by the carrier or its insurer.

The driver vehicle inspection report does the most work because it is the driver’s own account of what was wrong and whether it got fixed. Getting these in hand turns inadequate truck maintenance from suspicion into a case, and it comes before you can sue a trucking company in Washington.

How Long Do Trucking Companies Have to Keep Maintenance Records?

Not long. The deadline to file the injury claim runs in years. The retention clock on the proof runs in months, and federal rule sets three:

• Driver vehicle inspection reports: Three months from the date the report was prepared, under 49 CFR 396.11.
• Maintenance and repair records: One year, plus six months after the vehicle leaves the carrier’s control, under 49 CFR 396.3(c).
• Annual inspection reports: Fourteen months from the date of the report, under 49 CFR 396.21.

A driver report describing a brake problem the week before the crash can be gone, lawfully, before an unrepresented person finishes treatment. Carriers and their defense counsel can have investigators on scene within days of a crash.

The step that stops the clock is a written preservation demand to the carrier and its insurer, naming the vehicle, the driver, and the records by category. We send that letter early. Getting a Washington truck accident lawyer involved in the first weeks matters more than the last month before the deadline.

Who Is Responsible When a Maintenance Failure Causes a Crash?

The answer runs past the driver. A maintenance failure can put several companies in the chain, each tied to a different document.

• The motor carrier: Its 49 CFR 396.3 maintenance file, showing what got inspected, repaired, or deferred.
• The driver: The daily inspection report, showing what got written up and what didn’t.
• An outside repair shop: Its work orders and invoices for the failed component.
• A parts supplier: The failed component itself, the physical evidence a tire blowout truck accident turns on.
• A trailer lessor: The lease and interchange records showing who owed the upkeep.

Washington apportions trucking company liability by percentage across every entity that caused the damages under RCW 4.22.070. One exception matters. When the injured person is found not at fault, the defendants against whom judgment is entered are jointly and severally liable for the sum of their proportionate shares under subsection (1)(b).

Naming every company in the chain changes what is collectible. Cargo loaders, shippers, and road authorities can also be liable for a truck accident in Washington on facts unrelated to servicing.

Frequently Asked Questions About Negligent Truck Maintenance Claims

How Long Do You Have to File a Truck Accident Claim in Washington?

You generally have three years from the crash date under RCW 4.16.080, and filing after that window closes ends the right to recover. Minors and incapacitated persons may have more time. Waiting that long outlasts the records, which run out in three to fourteen months.

Can You Look Up a Trucking Company’s Safety Record Yourself?

Yes. The FMCSA company snapshot is public and searchable by carrier name or USDOT number, and it shows inspection and violation history. It won’t show the internal maintenance file, but it can show whether the company has a pattern.

Can You Still Recover If You Were Partly at Fault for the Crash?

Yes. If you are found partially responsible for the crash, your recovery is reduced by your percentage of fault, but you can still recover damages unless you are 100% at fault under RCW 4.22.005. Being partly at fault removes the joint and several rule, so each defendant pays its own share.

What If the Truck Was Operated by a Canadian Carrier?

The claim still proceeds. Serving a foreign company has to comply with the Hague Convention on Service Abroad, which adds months and creates hurdles not typical in standard motor vehicle cases. Identifying the carrier early matters more.

Put a Records Hold on the Truck That Hit You in Eastern Washington

A preservation demand goes to the carrier and its insurer before the maintenance file ages out, naming the vehicle, the driver, and the records by category. We handle these claims across eastern Washington, and a first consultation costs nothing. McPartland Law Offices handles personal injury cases on a contingency fee basis, which means you do not pay legal fees unless we recover compensation for you.

Call McPartland Law Offices at 509-495-1247 or fill out our contact form to discuss your claim