LCM Alert Validation

Confidence

Failure Category

No Fault Found

Subcategory

No Fault Found

Sensor Verdict: The LCM generated a RED (Brake) circuit alert on trailer V570459 at site IGQ1. Based on the technician's notes, the alert is assessed as 'Defect Detected' with moderate confidence (62%). The technician identified multiple disconnected LCM sensors as the likely cause of the alert, which is a plausible Smart 7 system issue. However, the absence of verification screenshots, circuit-specific confirmation, and any photographic evidence of the lighting system leaves meaningful uncertainty about whether the RED brake circuit fault was fully resolved.

Photo Evidence: All three submitted photos (labeled TIRES.jpeg) show close-up views of dual commercial trailer tires exhibiting significant tread wear, surface cracking, and tread depth gauge measurements — completely unrelated to the faulted RED brake lighting circuit. There are no photos of any illuminated brake lights, no rear or front lamp images, no nosebox wiring photos, and no TechAssist app screenshots showing green 'Verified' status for any of the five circuits. The photographic documentation is entirely non-compliant with the work order requirements and provides zero evidence supporting the lighting system repair.

Vendor Compliance: The vendor (TA) partially followed the LCM troubleshooting procedure by accessing the Phillips TechAssist app and identifying disconnected sensors. However, compliance is substantially deficient. The technician did not provide: (1) photos of each light illuminated, (2) a clear nosebox wiring photo, (3) a TechAssist app completion screenshot showing green 'Verified' status beside each of the 5 circuits, or (4) specific feedback aligned with the required category list. The notes are grammatically poor and vague regarding which sensors were reconnected and whether the RED circuit specifically was verified as resolved. The cargo sensor removal is mentioned without explanation or authorization context.

Repair Summary: The technician reconnected multiple disconnected LCM sensors and removed the cargo sensor. No lighting components were replaced, no wiring repairs are documented, and no parts or labor line items were submitted. The work is billed under hourly labor ('JG 4 FOR HOURLY PAY') with no itemized breakdown. It is unclear whether the reconnected sensors resolved the RED brake circuit alert specifically, as no before/after PCT confirmation was provided. The removal of the cargo sensor without documentation is a gap that warrants follow-up.

Key Concerns: There are several significant concerns with this work order. First, all submitted photos are of tires — completely wrong documentation for a lighting circuit work order, suggesting possible photo misattribution or vendor negligence in documentation. Second, no TechAssist verification screenshot was provided, which is a hard requirement of the LCM troubleshooting procedure. Third, the cargo sensor removal is undocumented and unexplained. Fourth, the root cause is listed as 'TBD' in the notes, which is unacceptable for a completed work order. Fifth, no line items were submitted, making cost validation impossible. This work order should be flagged for vendor follow-up to obtain proper PCT screenshots, lighting photos, and clarification on the cargo sensor removal before final closure.