What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AFTER TAKEOFF AND RETRACTION OF LANDING GEAR, RECEIVED A TAKE OFF CONFIGURATION WARNING, ALSO RECEIVEDMASTER CAUTION FOR PSEU. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT TUL. PERFORMED BITE TEST ON PSEU, PER FIM 32-09-00-810-801. FOUND GROUND SPOILER INTERLOCK PROXIMITY SENSOR FAULT. REMOVED AND REPLACED THE GROUND SPOILER INTERLOCK SENSOR.PER AMM 27-62-61. PERFORMED OPERATIONAL CHECK GOOD. PER AMM 27-62-61.