⌘K
INV-2051

Bosch SMS8YCI03E · Water inlet valve

Slow fill / E18 fault

Stage
Validated
Triangulation
66%
Units-at-risk
9,400
Exposure
€2.1M
Loop age
Day 7
of an investigation that legacy took ~428 days
Origin
Loopback pattern engine
Owner: S. Bhat

Ranked Hypotheses

Generated by the agent, holdout-tested, ranked by posterior probability.

Human review & action
Validating routes into Production Response and raises the CAPA in SAP QM. No production action executes autonomously.

Evidence

For H1 · 79% confidence

Statement
Regional water hardness (Delhi, ~600 ppm) accelerating scale build-up on inlet solenoid — environmental, not defect.
Underlying data
  • Incoming inspection · BRG-W32..W38open →
  • Spec drawing 24.00 ±0.015mmopen →
  • SPC chart · inner-race diameteropen →
  • Matched serials (42,800)open →
Holdout test
Precision0.91
Recall0.86
FPR4.2%

Agent Reasoning Trace

Multi-step reasoning made inspectable. Each step is a real tool call against MES, supplier, PLM, and environmental data. This is the glass box.

Powered by TrustLayer
  1. step 1SignalTriangulator
    640ms
    Fuse E18 fault codes and technician replacements
    Finding
    942 signals, strong regional clustering
    Updates ranking
    Pattern promoted
  2. step 2Environment.correlate
    810ms
    Overlay regional water hardness data
    Finding
    r=0.86 with municipal hardness
    Updates ranking
    Environmental hypothesis promoted to top
  3. step 3Supplier.incoming_inspection
    1120ms
    Check ValvePro incoming inspection
    Finding
    All lots within spec
    Updates ranking
    Supplier hypothesis lowered
  4. step 4Holdout.test
    1600ms
    Validate on 20% holdout
    Finding
    Precision 0.88 on regional cohort
    Updates ranking
    Confidence: high