As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL QTY DECREASED FROM 9 QTS TO 5 QTS DURING CLIMB. PERFORMED EQRH 72.15. OIL STABILIZED AT 5 QTS LANDED WITH 4 QTS. FOUND LOOSE BOLTS IAW ON NR 4 BEARING OIL BREATHER TUBE ATTACH POINT UPSTREAM. SECURED BOLTS IAW AMM 79-20-02-2-0 10 B. LEAK CHECKED GOOD IAW AMM 72-00-00.