As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENG OIL FILTER PRESSURE ILLUMINATED WITH ASSOCIATED ENG VIB FILTER PRESS LIGHT. ALL ENGINE INDICATIONS WERE NORMAL. ENGINE SHUTDOWN IN ACCORDANCE WITH POM. REPLACED SCAVENGE AND MAIN FILTER AND CHECKED CHIP DETECTORS, SATISFACTORY. REPLACED SCAVENGE DIFF PRESS SWITCH (FOUND SWITCH BAD). RAN ENG AND LEAK CHECK GOOD 79-00-00 CONF 2. REPLACED DIFF PRESSURE SWITCH, OPERATIONAL CHECK GOOD ON ENG RUN.