As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT OIL PRESSURE DROPPED BELOW 25 PSI ON CLIMB-OUT AND CONTINUED TO CYCLE BETWEEN 25-35 PSI (AIR RETURN). NO INFLIGHT ENGINE SHUTDOWN. FOUND EDP NR 2 AGB CARBON SEAL LEAKING, REMOVED AND REPLACED HYD PUMP NR 2 AGB CARBON SEAL IAW AMM, COMPLIED WITH OIL CONSUMPTION RUNS IAW AMM, LEAK CHECKS GOOD. (K)