What was found
DURING CRUISE AT FL330, GREEN HYD INDICATOR NEEDLE MOVING LOWER TOWARD YELLOW RANGE. INDICATION CONTINUED MOVING RAPIDLY FROM MIDDLE GREEN RANGE INTO YELLOW RANGE. HYD PRESSURE REMAINED NORMAL. END OF FLIGHT QTY INDICATION WAS SIGNIFICANTLY LESS THAN PREVIOUSLY INDICATED. EMERGENCY DECLARED. DURING POST FLT, FOUND GREEN SYS HYD AT BOTTOM OF TOP-HAT, SERVICED SYS IAW AMM 12-12-29. TOTAL QTY ADDED 2 QTS. PERFORMED GVI OF GREEN HYD SYS FOR LEAKS MLG WW. NO LEAKS FOUND. NO EVIDENCE OF ANY LEAKAGE ON FUSELAGE, MLG. OPS FLT CONTROLS, NO LEAKS. NO EVIDENCE OF LEAKS AT ENGS. PERFORMED SHAKE TEST OF CONNECTOR 69VC AT TRANSMITTER 25GQ. NO FAULTS NOTED. REMOVED CONNECTOR & CLEANED PER ESPM 20-55-50 RESINSTALLED. PERFORMED OPS CHECK OF GREEN HYD SYS NO FAULTS NOTED . A/C OK TO CONTINUE.