What was found
IAH - FL 8005 - RT LANDING GEAR DISAGREEMENT LIGHT (RED) ILLUMINATED IN FLT. THE LANDING GEAR RECYCLED, AND CB WAS RESET. LIGHT FLICKERED AND STAYED ILLUMINATED WITH LANDING GEAR HANDLE OFF. THE GEAR WAS VERIFIED UP AND LOCKED. THE A/C LANDED WITHOUT FURTHER INCIDENT. REPLACED M986 LOGIC CARD (UPLOCK PROXIMITY SWITCH) AND 4536P CANNON PLUG (LANDING GEAR PROX SWITCH CONNECTOR). OPS CHECKED SYSTEM IAW 737 MM 32. OPS CHECKED NORMAL. REFERENCED USAASB97223.