As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE JUST AFTER LIFTOFF OIL PRESSURE WENT TO 5 PSI WITH GOOD OIL QUANTITY. OIL FILTER BYPASS/LOW OIL PRESSURE LIGHT CAME ON. *S/D* REMOVED ACCESSORY DRIVE GEARBOX OIL FILTER AND MAIN OIL PUMP. REMOVED AND REPLACED NR 2 ENG FIREWALL PLUG AND NR 2 ENG PER WORK CARD 70T0002. ENG RUN AND LEAK CK GOOD.