LCM Alert Validation

Confidence

Failure Category

Lighting

Subcategory

Recently Replaced Light

Sensor Verdict: The LCM issued an alert on the BLACK circuit, which governs Clearance and License Plate lamps on trailer WV2501747. Based on the totality of the work order evidence, the sensor result is rated Inconclusive with a low confidence of 22%. There is no corroborating documentation — no defect photos, no PCT TechAssist completion screenshot, and no lighting-specific parts — to either validate that a real defect existed or to confirm with certainty that none did. The technician's verbal claim of verification is unsubstantiated by any supporting evidence.

Photo Evidence: No photos were provided or are accessible in this work order record. The technician notes state 'uploaded all pictures,' but no images are attached or visible for review. Per the LCM troubleshooting procedure, photos of each light illuminated, a clear nosebox wiring image, and a TechAssist app completion screenshot showing green 'Verified' status on all five circuits are mandatory. None of these deliverables are present. Without photo evidence, it is impossible to assess the condition of the clearance lamps, license plate lights, nosebox wiring, or connector integrity.

Vendor Compliance: Vendor compliance with the LCM troubleshooting procedure is poor. The procedure explicitly requires use of the Phillips Connect TechAssist app, individual illuminated photos of each light, a nosebox wiring photo, and a final screenshot confirming green 'Verified' status on all five circuits. The technician notes loosely reference using an 'app' and uploading pictures, but the PCT app field is marked false due to lack of any screenshot confirmation. No structured feedback from the required category list (e.g., 'no defect found — confirmed with PCT,' 'light failure,' 'wiring damage,' etc.) was provided. The notes are informal, abbreviated, and do not meet the documentation standard required by the LCM protocol.

Repair Summary: No repairs were made to the alerting BLACK circuit. The line items reflect two indirect 'LITE MECHANICAL' charges (likely administrative/lot fees), a TPMS speed sensor activation billed under breakdown, associated standard service labor, a shop supply fee, and lot service hourly labor. None of these items address clearance lights, license plate lights, nosebox wiring, or any component associated with the BLACK circuit. The TPMS sensor activation appears to be an entirely separate, unrelated service that was bundled into this LCM-generated work order — a practice that conflates unrelated maintenance with a targeted diagnostic event and undermines the integrity of the LCM alert response.

Key Concerns: Several significant concerns are flagged with this work order. First, there is a complete mismatch between the faulted circuit (BLACK — Clearance/License Plate) and the actual work performed (TPMS sensor activation). Second, mandatory PCT TechAssist documentation is absent despite the technician claiming it was completed. Third, no photos are attached, making the claim of 'light verification' unverifiable. Fourth, the bundling of unrelated TPMS work into an LCM lighting WO creates billing ambiguity and obscures whether the original alert was ever properly addressed. This work order should be flagged for vendor follow-up, and the trailer may warrant a re-inspection to confirm the BLACK circuit is truly functional before the asset returns to service.