Defect Detected
100%
Confidence
Failure Category
Lighting
Subcategory
Lighting - Failed Light
Approved by Historical Upload
Work Order Details
Asset ID
V564386
Site
DCA1
Vendor
TA
Circuit
RED (Brake)
Date Actioned
2026-03-17T00:00:00
Week
12
amz-id
amz-abf2z3pytcyku7
Relay Garage
AI Deep Dive Analysis
Sensor Verdict: The LCM sensor alert on the RED (Brake) circuit is confirmed as a legitimate defect detection, with 85% confidence. The technician's PCT app testing revealed active fault conditions on the brake circuit — specifically a non-functional pulsating brake light and a cross-circuit voltage bleed issue originating from the Smart7 nosebox. The sensor correctly flagged a real electrical anomaly affecting the brake lighting circuit.
Photo Evidence: The attached photos are largely irrelevant to the LCM lighting defect. Photos 1, 4, 5, 6, 9, and 10 show trailer tires with significant wear — some appearing dangerously low tread depth with cord exposure visible (Photo 5 and 6 are particularly concerning). Photo 2 shows the survey summary app screen for Unit V564386 with tire tread depth readings. Photo 3 shows an Indiana license plate (PE30878). Photo 7 shows the unit number AZNG V564386 on the trailer door. Photo 8 shows what appears to be a view through a cab window of hazmat placards. Critically, there are NO photos of the lighting system, no PCT/TechAssist app screenshots showing circuit verification results, no photos of the Smart7 nosebox or its broken bolt, no photos of any illuminated lights, and no photos of the broken pulsating brake light. The photo documentation is entirely non-compliant with the LCM troubleshooting procedure requirements.
Vendor Compliance: The vendor did use the Phillips Connect TechAssist app as instructed, which is a positive. However, compliance with the full LCM troubleshooting procedure is poor. The technician did not provide photos of each light illuminated, did not provide a clear nosebox wiring photo, and did not submit a TechAssist app completion screenshot showing green 'Verified' beside each of the 5 circuits. The technician appropriately paused testing when systemic cross-circuit issues were discovered and documented the voltage readings methodically, which shows good diagnostic reasoning. However, the vendor explicitly stated there was 'no reason to further check unit with app' and indicated they would wait to retest after Smart7 replacement — meaning the full PCT verification was never completed. The written notes, while heavily typo-laden, do provide sufficient technical narrative to understand the fault diagnosis.
Repair Summary: No repairs were completed on this work order. The Smart7 box replacement was initiated — a reference number (123927) was obtained from Phillips Connect — but the actual replacement had not occurred at time of WO closure. The broken pulsating brake light was identified but parts were noted as needing to be sourced. No line items are recorded, confirming no parts were installed and no repair was finalized. This work order should be considered open/incomplete, as the root cause (Smart7 box) and the direct brake circuit defect (broken pulsating brake light) both remain unresolved.
Key Concerns: Several significant concerns are flagged: (1) The work order is marked as completed on 2026-03-17 but no repairs were made — this is a compliance and safety concern, particularly given the RED circuit brake light defect. (2) The submitted photos bear no relation to the LCM lighting defect and instead document tire conditions on what appears to be a different inspection entirely, suggesting possible photo upload error or vendor confusion between work orders. (3) The tire photos themselves reveal potentially out-of-service tire conditions (exposed cords, extreme wear) that warrant immediate attention on their own. (4) The cross-circuit voltage bleed issue suggests broader wiring degradation beyond just the Smart7 box, which may require additional investigation post-replacement. (5) No compliant PCT verification screenshot was provided, making it impossible to confirm any circuit as 'Verified.' A follow-up work order to confirm Smart7 replacement and full PCT re-verification is strongly recommended.
LCM Current Readings — All Circuits
RED (Brake)
ALERTING
GREEN (Right Turn)
YELLOW (Left Turn)
BROWN (Marker)
BLACK (Clearance / License Plate)
Vendor WO Notes
AUTH TA COMPLAINT PHILLIPS CONNECT LIGTHING APP CHECK CAUSE REQUEST FOR PHILLIPS CONNECT LIGHTING APP CHCK ADDIITONALLY I CHECKED 7WAY AND FOUDN A LITTILE RUSTING ON THE END OF 7WAY PINS I THEN FOUD THAT THE SMART7 BOX HAD A BROKEN COVER BOLT THE SMAR T 7 BOS WILL NEED TO BE REPALCED DUE TO BROKEN BOL T AES ADITIONALLY I WILL NEED TO CALL PHILIPS CONNECT T O GET A REFERENCE NUMBER FOR A NEW BOX AES ADDITIOANLLY 123927 IS THE REFRENCE NUMBE RFOR TH E SMART 7 BOX I WILL CONTINUE WITH THE LIGHTING C HECK TO VERFIY SYSTEM WORKS AES ADDITIOANLLY I STARTED LIGHTING APP CHECK AND FOU ND THAT WHEN THE BRAKE LIGHT CIRCUIT WAS TESTED TH E UPPER REAR MARKER LIGTHS WERE DIMM AND THE REAR LOWER SIDE TAIL LIGTH WERE ALSO DIMM INDICATING T HEY WERE RECIEVING POWER WHILE THE BRAKE CIRCUIT W AS POWERED I CHECKED NEXT CIRCUIT IN TEST WHICH W A TH ERIGTH TURN SIGNAL I POWERD GREEN CIRCUIT AN D FOUND THAT THE SAME MARKER AND TAIL LIGTHS WERE COMING ON I PAUSED TEST AND CHECK THE REST OF THE CIRCUITS EACH CIRCUIT I POWERED I FOUD WOULD POWR THE SAME MARKER AND TAIL LIGHTS I CHECKED VOLTAHE READING AT MARKER AND TAILT POSTS AND FOUND THAT EACH POST WAS RECIEVING 1VOLT FORM EACH CIRCUIT WH EN POWERED I THEN REMOVED WIRES FROM THE TAIL AND MARKER CIRCUTS AND FOUND THAT THE MARKER AND TAIL POST WERE RECIEVE UP TO 6VOLTS ON THE MARKER CIRC UIT AND 2V ON THE TAIL CIRCUIT THERE IS NO REASON TO FURTHER CHECK UNIT WITH APP EACH CIRCUIT WILL FAIL I WILL WAIT TO RETEST SYSTEM AFTER SMART7 REPLACEMENT AES ADDITIOANLLY I ALSO FOUND THAT THE PULSATING BRAK E LIGHT WAS BROKEN AND NOT WORKING AES ADDITIOANLLY PART WILL BE SOURCED AES
Defect Photos
Approved by Historical Upload on 2026-04-29T12:52:21.278504