What was found
AFTER 30 MINUTES OF FLIGHT AT FL 290 GOT ECAM WARNING FOR GREEN HYSD PRESS LOW. VERIFIED ON OVERHEAD PANEL AND RT ECAM PAGE THAT GREEN HYDRAULIC WAS AT RED DOT. ACCOMPLISHED QRH PROCEDURE AND CRANKED GEAR DOWN.ON SHORT FINAL OVERHEAD GREEN HYDRAULIC GUAGE AND RT ECAM SHOWED NORMAL HYDRAULIC QTY. RH GEAR UPLOCK HAS A TEMP LINE INSTALLED, FOR 1000FH OR 750FC. INSTALLED TEMPORARY LINE REFERENCE MM 20-23-11-00, SERVICED GREEN SYSTEM REFERENCE 12-12-29-00, PERFORMED LEAK CHECK OF RH MLG UPLOCK TEMP HYDRAULIC LINE REFERENCE MM 32-31-00-05