As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 8752 FROM SYR TO CLE. IN-FLIGHT HAD A NR 1 ENGINE OIL PRESSURE LIGHT CAME ON. FEATHERED PROP AND SHUTDOWN ENGINE. DEVERTED LANDING INTO BUF. LANDING WAS UN-EVENTFULL. MAINTENANCE CREW FOUND OIL TRANSFER TUBE ON RGB LEAKING. REPLACED 'O'RINGS, RAN ENGINE, OPS CHECK SATISFACTORY. NO OTHER DEFECTS NOTED.