What was found
INSPECTION, INFLIGHT SHUTDOWN OF LT ENGINE DUE TO EICAS MESSAGE LT ENG OIL FILTER, ALL OTHER ENG INDICATION NORMAL. C/W F/M 79-21-00 FIG 104 REMOVED MAIN ENG OIL FILTER AND CHECKED ALL MAGNETIC CHIP DET, NO CONTAMINATION FOUND ON DETECTORS. INSTALLED NEW FILTER PER MM 79-21-05. REMOVED AND REPLACED LT ENG DIFF PRESSURE SWITCH PER MM 79-35-01. RAN ENG, NO LEAKS OR MESSAGES.