As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BGM-PIT FLIGHT#3569. CREW REPORTED #1 ENGINE OIL PRESSURE WENT TO BETWEEN 40 AND 45 PSI IN FLIGHT. CHECKLIST COMPLIED WITH AND ENGINE SHUT DOWN. EMERGENCY DECLARED, AND AIRCRAFT LANDED IN PIT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED #1 ENGINE STARTER GARLOCK SEAL IN ACCORDANCE WITH PRATT AND WHITNEY MAINTENANCE MANUAL 72-20-00. OPERATIONAL AND LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.