As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW OIL PRESSURE/FILTER BYPASS LIGHT ILLUM IN FLIGHT. OIL PRESSURE WAS NORMAL AND PRECAUTIONARY ENG SHUTDOWN WAS ACCOMPLISHED. REPLACED DIFF PRESS SWITCH AND LOP/FILTER BYPASS LIGHT MODULE ALONG WITH MASTER DIM AND TEST DIODE CARD. RAN ENGS AT HIGH POWER AND INSPECTED CHIP DETECTOR AND REPLACED MAIN OIL FILTER. OPS CHECK NORMAL AND RETURNED TO SERVICE.