What was found
GEAR DISAGREE WARNING MESSAGE ON TO. RAN QRH RETURN TO DTW. THEM GOT PROX SYSTEM 1 FAULT STATUS. NORMAL LANDING AND TAXI BACK TO GATE (FLIGHT 3848 - FILED CLOSED)THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 29873506 WITH THE FOLLOWING CORRECTIVE ACTION: "REF CP 29874239 FOR TROUBLESHOOTING. SEE CP 29875375 FOR REPLACEMENT OF WOW HARNESS. SEE CP 29878364 FOR REPLACEMENT OF PSEU."