As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE SHUT DOWN IN FLIGHT DUE TO LOW PRESSURE/FILTER BYPASS LIGHT. COMPLIED WITH QRH ENGINE WINDMILLED 2 MIN PRIOR TO SHUT DOWN. OIL PRESSURE AT APPROX 40 PSI. FOUND FAULTY LOW OIL PRESS SWITCH, REMOVED AND REPLACED SWITCH IAW MM 79-34-001-4, ALSO CLEANED CONNECTORS ON LOW OIL PRESS SWITCH AND FILT BYPASS PRESS DIFF SWITCH RAN ENGINE AND PERFORMED LEAK CHECK OF SWITCHES, NO LEAKS NOTED AND LIGHT IS OPERATING NORMALLY AT THIS TIME.