LCM Alert Validation

Confidence

Failure Category

No Fault Found

Subcategory

No Fault Found

Sensor Verdict: The LCM system issued a 'Defect Detected' alert on the BLACK circuit (Clearance / License Plate) for trailer WV2501747 at site RFD2. Based on the totality of evidence available in this work order, the sensor result must be classified as Inconclusive with very low confidence (18/100). There is no technician-provided data — photos, app output, or written observations — that either confirms the presence of a real defect or credibly clears the circuit. The LCM system is generally reliable for detecting true open or degraded circuits, so the original alert should not be dismissed outright, but it cannot be validated from this submission.

Photo Evidence: No photos of any kind were attached to this work order. The LCM troubleshooting procedure explicitly requires photos of each illuminated light in the circuit, a clear image of the nosebox wiring, and a TechAssist app completion screenshot showing a green 'Verified' status beside each of the five circuits. None of these deliverables are present. The complete absence of photo documentation means there is no visual confirmation of the defect, no evidence of the repair state before or after any work, and no way to assess nosebox condition or wiring integrity independently.

Vendor Compliance: Vendor compliance with the prescribed LCM troubleshooting procedure is effectively zero. The technician notes consist almost entirely of yard location updates, dock door assignments, and unintelligible shorthand fragments (e.g., 'COMPLETE MAG TA UNIT IS ON DOC DOOR DRY RUN THANK YOU CM 5 FOR C A', 'PV'). There is no reference to the Phillips Connect TechAssist (PCT) app, no circuit-specific observations, no documentation of light conditions, and no feedback aligned with any of the required expected feedback categories. An internal note reads 'reaching out to site for repair confirmation,' which suggests the work order was closed without confirmed resolution and without the vendor having direct, documented knowledge of the repair outcome.

Repair Summary: No repairs attributable to the BLACK circuit defect were made. The only billable items are a $2.36 shop supply/environmental fee and 0.5 hours of lot labor ($75.00) coded to 'Breakdown' under an aerodynamic devices/expendable items category — neither of which corresponds to a clearance lamp, license plate lamp, or associated wiring repair. No light fixture, wiring harness, connector, or nosebox component was invoiced. The labor classification and category coding appear mismatched to the actual alert type, further reducing confidence that the alerting circuit received any attention.

Key Concerns: This work order raises several significant concerns. First, the complete lack of photo evidence and PCT app usage represents a fundamental failure to follow the mandated troubleshooting protocol. Second, the labor line item is miscategorized under 'Aerodynamic devices,' which is unrelated to a lighting circuit repair. Third, the internal note 'reaching out to site for repair confirmation' suggests the WO may have been closed prematurely or administratively, rather than based on verified physical repair. Fourth, the trailer's movement through multiple yard locations (PS512 → DD104 → PS965) during the WO lifecycle may indicate the unit was in active service while the defect remained unresolved. This work order should be flagged for vendor follow-up, the trailer should be re-inspected with a compliant PCT app session, and the BLACK circuit status should be re-evaluated before the unit is returned to unrestricted service.