What does S2-4 require?

Fault recording and reporting makes sure defects noticed during operation are captured, passed on and assessed promptly. Drivers can log faults as they arise, for the prime mover and the trailing equipment alike; reporting happens as soon as reasonably practicable and separates faults needing urgent action from those that can wait for routine maintenance; and defect management runs unbroken from detection through assessment to repair, wherever and whenever the fault occurs. Five things are looked for: drivers are able to record recognisable faults that occur during a journey for both hauling and trailing equipment; faults reach the maintenance function as soon as reasonably practicable after they are found; the system tells urgent faults apart from those handled through standard maintenance; reported faults are communicated in a way that allows prompt assessment and action; and the arrangements keep defect management continuous from detection to the repair decision.

Australia Heavy Vehicle National Law Safety Management...

Other controls in Schedule 2 Maintenance accreditation requirements (requirements 2 to 9) – Australia Heavy Vehicle National Law Safety Management System Standard 2026

S2-2 Maintenance accreditation, responsibility and accountability: responsibilities for the maintenance life cycle (administration, operation, verification) allocated to identified competent roles, exercised through regular review of vehicle condition and outcomes, with senior management ensuring resources
S2-3 Maintenance accreditation, daily check: a daily check conducted for each vehicle in use, with defined timing, responsibility and recording, covering safety-critical components such as brakes, couplings and tyres sufficiently to find obvious defects, faults recorded and escalated through fault reporting, and the checker confirming safety to the limits of the inspection
S2-5 Maintenance accreditation, fault repair: reported faults systematically assessed and prioritised, deferral decisions controlled, documented and attributable, monitoring timeframes and upper repair limits defined where faults are monitored rather than repaired, accountability for deferral clear, and repairs completed and tested where appropriate before return to service
S2-6 Maintenance accreditation, schedules and methods: vehicles demonstrably roadworthy at entry, maintenance schedules defining service intervals and tasks on a time, distance or usage basis, defined tolerances and wear limits for major components aligned with vehicle standards, and regular mechanical inspection by or under a suitably qualified person including an annual inspection aligned with the National Heavy Vehicle Inspection Manual
S2-7 Maintenance accreditation, training and competence: those verifying maintenance standards or performing maintenance trained in and familiar with the specific policies and procedures, trade qualifications or documented equivalent experience for complex mechanical assessment, and drivers with enough functional awareness to identify and report defects
S2-8 Maintenance accreditation, review and continuous improvement: monitoring of defect reports, repair frequencies and inspection results to verify the schedule works, pattern detection prompting adjusted intervals or parts, corrective action at underlying causes, reviews with objectivity and frequency appropriate to fleet size, effectiveness of changes demonstrated, and significant changes documented and communicated
S2-9 Maintenance accreditation, evidence: records sufficient to show daily checks, fault reporting and maintenance occur as intended, work orders or invoices showing faults and regulatory notices resolved, current and accessible records, maintenance history reconstructable for audit, proportionate documentation using existing business records, and current vehicle details including subcontractor vehicles showing identity, configuration and maintenance concession applicability

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