What was found
HYD A LOSS OF 8 TO 10 PERCENT W/I 1 HR. TOMC RECOMMEND RTB KIA H DROP 76 TO 68 IN 30MIN CREW DEBRIEFED AIRCRAFT OCCURANCE, ON CRUISE SYSTEM A HYDRAULICS HYDRAULIC FLUID LOSS NO EXTERNAL LEAKS NOTED. UPON LANDING 29-2909-9-9001,QTY :1 1504602,QTY :1 DROPPED 8 TO 10 PERCENT. ON LANDING THE READING NORMALIZED. NO RESERVOIRS READ FULL. PERFORMED SYSTEM A HYDRAULIC FLUID ROTABLE PARTS CHANGE WAS INDICATED - TT # 1504602 SN OFF 0492 MIGRATION TO B SYSTEM WHICH INDICATES AN ERRONEOUS READING. QUANTITY TRANSMITTER R&R AS PER AMM 29-33-12/401 SERVICED AND PERFORMED FIM 29-10 TASK 813-C1 SYSTEM A ABNORMALLY HIGH LEAK CHECKED GOOD. PARTS USED: 00-0585-3-0372,QTY :1 TRANSMITTER, HY OFF 29-2909-9-9001 0492 ON 29-2909-9-9001 7438.