What was found
WHILE ACCOMPLISHING T/C 78273000, FMC CDU FAULTS, FOUND NR 2 ENGINE FAULT CODE 75-10802, T25 SIGNAL DISAGREE, SHORT TERM. ACFT GROUNDED. REF L/P 11678020 FOR FAULT CODE 75-20802. REACCOMPLISHED T/C 78273000 FAULT CODE FOR NR 2 ENGINE 75-10802. NO LONGER PRESENT. FAULT NOW SHOWS FAULT CODE 75-30802 ALL FLIGHT LEGS. ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE, USED IAW CHAPTER 5, TABLE 3, ITEM 8. ACCESSED NR 2 ENGINE. ACCOMPLISHED WIRE CHECKS FROM CONNECTORS DP 909 AND DP 1010 TO SENSOR T25 A & B CHANNELS ALL WITHIN LIMITS. REMOVED CONNECTORS AT T25 FOUND CONNECTOR FOR CHANNEL A, DP910, HAS EVIDENCE OF MOISTURE IN CONNECTOR. CLEANED CONNECTORS DP909, DP1010, DP910, & DP1009. ALSO CHECKED RESISTANCE OF BOTH CHANNELS OF T25 BOTH FOUND TO BE WITHIN LIMITS RECONNECTED ALL CONNECTORS. ACCOMPLISHED REPAIR CONFIRMATION TEST, TEST PASSES. REF FIM 75-33, TASK 805.