What was found
FOUND FAULT ON NR 1 ENGINE, 75-30801 T-25 SIGNAL DISAGREE SHORT TERM. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE EEC, IAW AMM 73-21-60. PERFORMED FADEC SYSTEM TEST AND AFTER PERFORMING EEC TEST FAULT, 75-3080 PT-25 SIGNAL DISAGREE REMAINED. IDENT/CONFIG TASK, ACTUATOR TEST, AND EEC DISCRETES TEST REMAINS AFTER FAULT IS ADDRESSED, IAW AMM 73-21-00. REMOVED & REPLACED PT25 SENSOR, IAW AMM 73-21-02-400/801 & INSTALLATION TEST PASSED. FAULT 75-30801 CLEARED. COMPLETED IDENT/CONFIG TEST, IAW AMM 73-21-00, & TEST 12 ACTUATORS TEST, IAW AMM 71-00-00, & EEC DISCRETES TEST, IAW AMM 73-21-00. ALL TESTS PASSED & A/C RETURNED TO NORMAL CONFIG.