As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 ENG OIL QTY DECREASED 10QTS IN 29 MIN, LARGEST QTY INDICATED WAS 10 QTS INCREASED DURING DESCENT. PERFORMED FIM 79-11 TREE 800 STEPS 1 - 6 & STEPS 6 - 15 SCAVENGE OUT PORT SCREEN NO DEBRIS FOUND IAW MCC & POWER PLANT ENGINEERING. PERFORMED FIM 79-31 TREE 806 FOUND INTERMITTENT OIL QTY PROBE LEAK. CHECK OIL SYS, NO LEAKS NOTED. PLACED ON MEL 79-31-01-01.