TRANSPORTATION / SAFETY & WARRANTY
A service-procedure error becomes a warranty event or an accident-investigation finding.
Automotive: a single TSB error replicated across a dealer network becomes a multi-million-dollar warranty claim event and, in safety-relevant cases, a NHTSA-reportable defect. Aviation: a Maintenance Manual procedure error surfaces in an FAA Part 145 audit or, worse, in an NTSB accident report. Rail: an FRA inspection finding tied to maintenance documentation triggers a service-bulletin recall and AAR M-1003 review. Marine: a maintenance-record gap surfaces during port state control or in classification-society withdrawal of cover. The procedure-document chain is the chain of evidence in every one of these.