As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FLIGHT LEVEL 28 NOTED OIL FLUCTUATION ON RIGHT ENGINE. RAN QRH. FLUCTUATION MAINTAINED ABOVE 28-40 PSI INDICATED. DECLARED AN EMERGENCY. LANDED WITHOUT ANY PROBLEMS. FOUND LEAK ON ENGINE SERVICING LINE TO RT ENGINE, ALONG WITH AN OPEN OIL SERVICE CHECK VALVE. REMOVED AND REPLACED OIL SERVICE LINE P/N 600-63100-15, IAW AMM 20-21-20 AND 20-22-00. REMOVED AND REPLACED OIL SERVICE CHECK VALVE ON RIGHT ENGINE IAW 79-12-13. (M)