PrototypeTarget-state workflow for the Service Engine operating model — illustrative data, not a production system.
Performance/Investigation

Investigate Metric Slip

Guided attribution workflow — five steps, one accountability decision.

  1. Step 1: Select metric
  2. Step 2: Decompose timeline
  3. Step 3: Matched cohorts
  4. Step 4: Test indicators
  5. Step 5: Assign ownership
STEP 1

Select the slipping metric

Current
34.2 hours
Target
24 hours
Previous 30 days
27.8 hours
Variance
+6.4 hours
STEP 2

Decompose the service timeline

Queue
+1.1h
Triage
+0.4h
Diagnosis
+0.8h
OEM Decision
+2.7h
Parts Wait
+2.1h
Repair
-0.3h
Validation
-0.4h
The largest increases (OEM Decision +2.7h, Parts Wait +2.1h) are outside physical repair execution.
STEP 3

Compare matched cohorts

Same faultSame vehicle configSame mileage rangeSame procedureSame time period
Prime Service
38.4h
Alpha Fleet Repair
31.8h
Nexus Authorized Service
32.6h
Fleet-wide increase across all partners: +5.9 hours
Partner variation exists, but the metric is deteriorating across all partners, indicating a broader product-support constraint.
STEP 4

Test partner versus product indicators

  • Same fault across multiple vehicles Yes
  • Same fault across multiple partners Yes
  • Repair procedure followed Yes
  • Partner repair execution within target Yes
  • OEM decision SLA missed Yes
  • Replacement part unavailable Yes
  • Repeat failure after correct repair Yes
  • Incomplete diagnostic evidence No
  • Workmanship failure No
Attribution Result
Product / Technical72%
Partner Execution18%
Shared Program Governance10%
Confidence: High
STEP 5

Assign ownership and corrective action

Nexus
  • · Issue containment plan within 24 hours
  • · Confirm replacement-part availability
  • · Complete root-cause analysis
  • · Issue updated service bulletin
Prime and Alpha
  • · Perform interim inspections
  • · Capture standardized evidence
  • · Validate the approved repair procedure
Uber
  • · Prioritize affected vehicles
  • · Track fleet exposure
  • · Escalate missed commitments
  • · Validate corrective action across real operating mileage