What was found
SEA FLIGHT NR 2115, AFTER TAKEOFF AND GEAR RETRACTION WEIGHT ON WHEELS CAUTION LIGHT ILLUMINATED FOR APPROXIMATELY 5-7 MINUTES. LIGHT EXTINGUISHED ON ITS OWN AFTER THAT. COMPLIED WITH EMERGENCY CHECKLIST. MAINTENANCE FOUND MULTIPLE FAULTS IN PSEU MEMORY ALONG WITH CARD FAULT. REMOVED AND REPLACED PROXIMITY SWITCH ELECTRONIC UNIT IAW -8 200 AMM 32-61-00 PAGES 401-405 AND PERFORMED THE BITE DIAGNOSTIC TEST OF THE PSEU SYSTEM IAW 32-61-00-740-801 WITH NO DEFECTS NOTED.