As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LP156984 ITEM 1, DISCREPANCY: GREEN HYDRAULIC SYSTEM LO PRESSURE. AIR TURN BACK TO DENVER. CORRECTIVE ACTION: FOUND PRESSURE FITTING LEAKING IN #1 ENGINE PYLON. REPLACED FITTING AND HYD LINE, DUE TO BOTH NEEDING TO BE REPLACED AS A SET PER THE IPC (POST MOD). NO LEAKS NOTED DURING LEAK CHECK. TW USED F9TAB1361C CAL DUE 11/2021. REF AMM 29-11-49-000-813-A, 29-11-49-400-813-A AND IPC FIG 29-11-86-51B ITEMS 230A AND 240.