LCM Alert Validation

Confidence

Failure Category

No Fault Found

Subcategory

no defect found (not confirmed with PCT)

Sensor Verdict: The LCM system flagged the BLACK circuit, which governs Clearance and License Plate lighting on trailer WV2502979 at site DEN5. The sensor result is classified as Inconclusive with a confidence of 35%. Because no physical inspection was conducted, there is no evidence to either validate or invalidate the sensor's alert. The underlying fault — if one exists — remains unresolved and the circuit status is unknown.

Photo Evidence: One photo was submitted with this work order (TC_02389.jpeg). The image shows the rear of an Amazon trailer (appearing to be the subject unit) taken from inside a cab or adjacent vehicle, with the trailer positioned at what appears to be a dock door. The photo does not show any lights illuminated, does not capture the nosebox or wiring, and provides no diagnostic value whatsoever. No TechAssist app screenshots were provided. There are no photos of the clearance lights, license plate lamp, or any other circuit. Photo documentation is entirely non-compliant with the LCM troubleshooting procedure.

Vendor Compliance: TA demonstrated zero compliance with the prescribed LCM troubleshooting procedure. The vendor was instructed to use the Phillips Connect TechAssist (PCT) app, photograph each illuminated light circuit, capture a clear nosebox wiring image, and provide a TechAssist completion screenshot showing green 'Verified' status on all five circuits. None of these steps were completed. The technician notes repeatedly state the unit was on a dock door and inaccessible, ultimately classifying this as a 'dry run.' While the inaccessibility of the trailer is a legitimate operational constraint, the work order was closed without any rescheduling action or escalation to ensure the defect alert would be revisited.

Repair Summary: No repairs were made. No parts were replaced. The only line items billed were a shop supply/environmental fee ($2.36) and 0.5 hours of lot labor ($75.00). The alerting BLACK circuit was not inspected, tested, or repaired. Billing labor for a visit that produced no inspection or diagnostic activity is questionable and should be reviewed for cost appropriateness.

Key Concerns: Several significant concerns exist with this work order. First, the trailer was closed out without any confirmed resolution of the LCM alert — the BLACK circuit fault remains open and unaddressed. Second, the vendor charged labor and shop supply fees despite performing no diagnostic or repair work, which warrants billing scrutiny. Third, there is no evidence of a follow-up work order being created or the trailer being flagged for reinspection once removed from the dock door. Fourth, the submitted photo adds no value and appears to be a cursory placeholder rather than meaningful documentation. This WO should be flagged for immediate reissuance to ensure the LCM BLACK circuit alert is properly diagnosed using the PCT app before the trailer re-enters service.