As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE LOW OIL PRESSURE IN FLIGHT ACCOMPLISHED SINGLE ENGINE LANDING. HYDRAULIC PUMP CANNON SEAL O-RING ON HOUSING DAMAGED. INSTALLED MATING RING AND CARBON SEAL IAW GE MANUAL GF34-8. OPERATIONAL CHECKS GOOD. MATING RING PN 4115T43P03 SN OFF JKHF4683. CARBON SEAL PN 4115T37P02 SN OFF JKHE1519.