What was found
ETOPS SIGNIFICANT SYS - AILERON LOCKOUT EICAS ILLUMINATED DURING DESCENT THRU 10000 FT, SPEED 240 KTS, WENT OUT PASSING 4300 FT. T/S IAW FIM 21-11-00, FIG 104, RT SAM FAULTED RT ADC, RESET IAW BLOCK 25, FAULT CLEARED IAW BLOCK 57, SYS CKS OK, OK FOR SERVICE.