What was found
SPLIT FLAP I/B UP, O/B STUCK AT 2 DEG. FOLLOWED AC FLT MAN PROCEDURE, GOT AC CLEAN UP, LOST SYS A QUAN AND PRESS. ALT FLAPS USED, GROUND PROX FLAP INHIBIT CKLIST COMPLETE. WHILE REPLEN A SYS FLUID LOSS OUT OF SHAFT SEAL CAVITY DRAIN ON RT HYD FLAP MOTOR. *S/D* REMOVED AND REPLACED RIGHT FLAP HYD DRIVE MOTOR PER MM 27-51-062-4. FLAP DRIVE MOTOR REQUIRES OPER AND LEAK CK. RAN FLAPS OPER AND LEAK CK OK PER 27-51-062-4.