Who is responsible if bad brakes or poor maintenance caused a truck crash?

Last updated October 7, 2026.

Usually the motor carrier, and sometimes others too. Federal rules require every carrier to systematically inspect, repair and maintain the trucks it controls and to keep records of that work (49 CFR 396.3). Drivers must report defects at the end of each day, and the carrier must fix safety defects before the truck runs again (49 CFR 396.11).

Brake failures, worn tires and broken lights are not just bad luck in the eyes of the law; they are often maintenance problems with a paper trail. For an overview of how these claims work, see our truck accident page.

How does a maintenance claim work after a truck crash in Las Vegas?

Preserve the truck. The vehicle itself is evidence. A written request to the carrier and its insurer asks them not to repair, scrap or sell the truck and trailer before an inspection.
Request the maintenance file. Carriers must keep inspection, repair and maintenance records for 1 year where the vehicle is housed or maintained, and for 6 months after the vehicle leaves the carrier's control (49 CFR 396.3(c)).
Request the driver inspection reports. At the end of each day's work, drivers must report on brakes, steering, lights, tires, mirrors, coupling devices and more, listing any defect, and carriers keep each report for 3 months (49 CFR 396.11). Our guide to what records a trucking company must keep, and for how long lists the other files.
Compare reports with repairs. If a driver reported a brake problem and the record shows no repair before the next trip, the carrier's own duty to fix safety defects is at issue.
Look at who did the work. If an outside shop inspected or repaired the brakes, its work is examined too.
Look at the part itself. A defective component points to its maker or seller, which Nevada treats differently in fault rules (NRS 41.141(5)).
Sort out shares of fault. Nevada splits fault by percentage and usually makes each defendant pay its own share (NRS 41.141). See who can be held responsible for a truck accident in Nevada.

Maintenance rules at a glance

Duty	Who	Rule
Systematically inspect, repair and maintain every vehicle under its control	Motor carrier	49 CFR 396.3(a)
Keep inspection, repair and maintenance records	Motor carrier	49 CFR 396.3(b)
Keep those records 1 year, and 6 months after the vehicle leaves its control	Motor carrier	49 CFR 396.3(c)
End-of-day inspection report listing defects (brakes, steering, lights, tires and more)	Driver	49 CFR 396.11(a)
Repair safety defects before the vehicle is operated again; keep reports 3 months	Motor carrier	49 CFR 396.11(a)
Not drive when unsafe because of fatigue, illness or other cause	Driver and carrier	49 CFR 392.3
Rear impact guard on trailers built since January 26, 1998	Carrier	49 CFR 393.86

What does the repair paper trail show?

The driver inspection report is more than a checklist. When a report lists a defect, the carrier or its agent must certify on that same report either that the defect has been repaired or that a repair is unnecessary, and it must do so before the vehicle is operated again (49 CFR 396.11). The carrier keeps the report, the repair certification and the driver's review certification for three months from the date the report was prepared.

That creates a chain you can follow:

The defect entry. Which part, which day, which driver. Reports must cover service brakes including trailer brake connections, the parking brake, steering, lights and reflectors, tires, horn, wipers, mirrors, coupling devices, wheels and rims, and emergency equipment.
The certification. Who signed off, and whether they wrote "repaired" or "repair unnecessary".
The repair record. Whether the maintenance file under 49 CFR 396.3 shows actual work, parts and dates that match the certification.
The next trip. Whether the truck went back on the road before the certification, which is what the rule forbids.

Reports may be kept electronically, so the request should ask for electronic versions, not just paper. When the chain breaks, it usually shows where the responsibility lies.

What changes the answer

Whether the defect was reported. A driver's report listing a brake defect, followed by no repair, is very different from a sudden failure nobody could have seen. The driver need not prepare a report if no defect is found or reported (49 CFR 396.11(a)(2)), so the absence of a report does not by itself prove anything either way.

The size of the carrier. The daily driver report rule does not apply to a carrier operating only one commercial motor vehicle (49 CFR 396.11(a)(5)). The general maintenance and record duties of 49 CFR 396.3 still apply.

Interstate or intrastate. These federal rules apply to commercial motor vehicles in interstate commerce. Nevada has adopted the federal safety rules by regulation for many intrastate property carriers, with a 26,001-pound threshold for some intrastate rules (NAC 706.297). See whether federal rules apply to a Nevada company that never leaves the state.

A defective part. If the failure came from a defective component rather than poor upkeep, a product claim may follow. Nevada keeps joint and several liability for products made, distributed, sold or used in Nevada (NRS 41.141(5)), and the punitive damages cap does not apply to makers or sellers of defective products (NRS 42.005(2)). Our post on accidents caused by defective car parts covers product claims in general.

Loads and weight. Overloaded or badly secured cargo can strain brakes and make a truck harder to stop. Cargo must be secured so it cannot shift enough to affect stability or handling (49 CFR 393.100); see who is responsible when cargo falls off a truck.

Rear underride. A missing or damaged rear impact guard is an equipment issue with its own rule; see the federal rules for truck underride guards.

For example: brakes reported, never fixed

Imagine a hypothetical driver named Elena stopped at a light on Rainbow Boulevard when a box truck rated over 10,001 pounds fails to stop and rear-ends her. The truck belongs to a regional delivery carrier operating across state lines.

Her side sends a preservation letter the same week. The carrier's file includes a driver report from four days earlier noting "soft brakes, pulls right" and no repair record afterward. The maintenance file shows the last brake inspection months earlier.

In this hypothetical, the claim focuses on the carrier's duty to fix reported safety defects before the truck runs again (49 CFR 396.11) and its duty to systematically maintain the truck (49 CFR 396.3), along with the driver's own driving. If an outside shop had serviced the brakes, its work would be examined too. Real cases depend on the actual records.

Common mistakes in brake and maintenance cases

Letting the truck be repaired before an inspection. Send a preservation request right away.
Missing the short retention periods. Driver inspection reports are kept only 3 months (49 CFR 396.11).
Looking only at the driver. The carrier's maintenance program is often the real issue.
Ignoring the trailer. Trailers have brakes, lights and guards too, and may be owned or maintained by someone else.
Assuming a crash report settles it. Crash reports describe the scene; maintenance files explain why.

What to do this week

Write down the truck and trailer numbers and the USDOT number, if you have them.
Send a written preservation request to the carrier and its insurer covering the truck, trailer and maintenance records.
Look up the carrier's safety record; see how to check a trucking company's safety record.
Get the crash report from the investigating agency.
Keep your own vehicle unrepaired until it has been photographed and documented.
Read our guide to what happens after a truck accident in Las Vegas for the full timeline.

Frequently asked questions

How long must a trucking company keep maintenance records?

For 1 year where the vehicle is housed or maintained, and for 6 months after the vehicle leaves the carrier's control (49 CFR 396.3(c)).

What does a driver's daily inspection report cover?

The report covers parts and accessories such as service brakes, parking brake, steering, lights, tires, horn, wipers, mirrors, coupling devices, wheels and emergency equipment, and lists any defect that would affect safe operation (49 CFR 396.11).

Must the carrier fix a reported defect before the next trip?

Yes. Carriers must repair any listed defect likely to affect safe operation before the vehicle is operated again (49 CFR 396.11).

Can a repair shop be responsible?

A shop that inspected or repaired the truck can share fault for its own negligence. Nevada usually makes each defendant pay its own percentage (NRS 41.141).

What if the brake failure came from a defective part?

A product claim against the maker or seller may be possible, and Nevada keeps joint and several liability for products made, distributed, sold or used in Nevada (NRS 41.141(5)).

Can the driver be blamed even if the brakes failed?

Possibly, if the driver knew of the defect, drove too fast for conditions or followed too closely. Fault can be shared between the driver, the carrier and others.

If a truck with a maintenance problem hit you in the Las Vegas Valley, attorney Maysoun Fletcher can explain how to protect the evidence. Call 702-333-6339 for a free consultation.