As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL-ORH FLIGHT#3692. DURING CLIMB #1 ENGINE OIL PRESSURE GAUGE INDICATED ZERO PSI. #1 ENGINE WAS SHUT DOWN AS A PRECAUTION AND AIRCRAFT RETURNED TO THE FIELD.MAINTENANCE REPLACED #1 OIL PRESSURE GAUGE. OPERATIONAL CHECK GOOD ON GROUND RUN-UP.AIRCRAFT RETURNED TO SERVICE.