As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 684 29-02 9691 04DEC20 DEN OPEN U LOGPAGES:3359248. AT FL350 1.25 HRS AFTER T/O, GREEN SYS HYD QTY WAS OBSERVED 2 NEEDLE WIDTHS ABOVE THE YELLOW ARC. AT 1.5 HRS NEEDLE WAS 1 NEEDLE WIDTH INTO YELLOW ARC. DIVERT TO KDEN. BLEED GRN SYS AND FOUND GRN SYS RESERVOIR DEPRESSURIZATION VALVE LEAKING. R & R SAME, REF MM 29-11-27-04. GROUND OPERATIONS AND LEAK CHECK GOOD AT THIS TIME, NO LEAKS NOTED.