What was found
WE RECEIVED AN ENG 2 OIL FILTER, LEVEL 2 ALERT. FOLLOWING QRH ENG 2 WAS SHUTDOWN. REMOVED AND REPLACED THE SCAVANGE AND MAIN LUBE OIL FILTERS, NO CONTAMINATION WAS FOUND REF. AMM MD10-79-20-02 AND 79-20-01, LEAK CHECK WAS GOOD. COMPLETED A 5 MINUTES GROUND IDLE RUN TO SATISFY INFLIGHT SHUTDOWN REF. AMM MD10-72-00-00-6-1. REMOVED CONNECTOR FOR OIL DIFFERENTIAL SWITCH AND WAS GETTING THE AIU READING TO JUMP FROM NORMAL TO CLOGGED WHILE REMOVING THE CONNECTOR, AFTER CONNECTOR WAS REMOVED, ONLY A NORMAL READING WAS OBSERVED, RECONNECTED AND SHOOK THE CONNECTOR, NOW READING JUMPS FROM CLOGGED TO NORMAL, ALSO REF. FIM 79-35. CALLED AVI LINE FOR ASSIST WITH THE CONNECTOR OR WIRING ISSUE. REMOVED, AND UNTAPED, & DEPINNED CONNECTOR, INSPECTED WIRING. NO DEFECTS NOTED. FOUND FACE OF CONNECTOR AT PIN B SLIGHTLY CONTAMINATED OR CORRODED. REMOVED AND REPLACED CONNECTOR P1-8065 IAW WDM 79-34-01. RECONNECTED CONNECTOR, RAN #2 ENGINE PER JRH WHILE OBSERVING SENSOR READ OUT IN AIU 2 AND AIU 3 WITH NO FAULTS.