Preventive Maintenance vs Production Availability
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CyberTRIZ analysis · Automotive contradiction EM002 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
Preventive maintenance protects critical automotive production assets from progressive wear and unexpected failure. However, scheduled interventions compete directly with production time, particularly in high-utilization plants where available maintenance windows are limited.
Automotive TRIZ Resolution
Rather than performing all preventive work at predetermined intervals, Automotive TRIZ differentiates tasks according to degradation behavior and criticality. Online inspection, maintenance during changeovers, modular replacement, and condition-triggered tasks can preserve preventive capability while reducing dedicated shutdown periods.
Applicable TRIZ Principles
Principle 1 – Segmentation divides major maintenance activities into smaller interventions that can fit available production windows.
Principle 10 – Prior Action performs necessary work before degradation creates an operational failure.
Principle 15 – Dynamics changes maintenance frequency according to equipment condition and production demand.
Expected Outcome
Higher production availability
Maintained preventive maintenance effectiveness
Shorter planned shutdowns
Better maintenance resource utilization
Decision Indicators
Early indicators that this contradiction is limiting operations include:
Preventive work is repeatedly deferred because of production demand.
Planned maintenance accounts for significant lost capacity.
Identical maintenance intervals are applied regardless of asset condition.
Maintenance backlogs increase during periods of high utilization.
Production schedules leave insufficient time for required servicing.
Monitoring these indicators helps identify where preventive maintenance can become more condition-sensitive and modular.