What was found
HYD QTY DECREASED TO ZERO AND SYSTEM PRESS AND QTY LIGHT ILLUM EICAS MSG DISPLAYED (L,R) HYD SYS PRESSURE, (L,R) HYD QTY POS 1 (01=L,02=R). FRM CODE 29 11 12 --. ON INSPECTION FOUND LEFT WING INBOARD SPOILER ACTUATOR NR 6 HAS CRACKED CASE. REPLACED ACTUATOR AS PER MM. CARRIED OUT LEAK CHECK OF ALL THREE HYD SYSTEMS AND FUNCTION CHECK OF SPOILERS AND FLAP-SLAT SYSTEMS. SPOILER PANEL RIG CONFIRMED AS ACCEPTABLE AS PER MM. ALL SYSTEMS ARE FULL AND OPERATE NORMALLY. PLEASE NOTE THIS PART IS A BORROWED PART FROM BRITISH AIRWAYS, PART NR ON 252T1301-3; SERIAL NR ON 1252. PART NR OFF 252T1301-3 SERIAL NR OFF 2247A. CONTAINER IS PLACED IN BULK CARGO.