What was found
YELLOW HYD PUMP FAILED AT FLAP RETRACTION. PERFORMED NR 2 ENGINE RAN,VERIFIED YELLOW HYD SYS PRESSURE IS 2900 PSI ON ECAM, YELLOW SYS LOW PRESS LIGHT FLICKER MOMENTARILY DURING FLAPS EXTENSION AND RETRACTION, NEED PRESS SWITCH CPN 0030767, MPN BSG0001-5505 NIL IN SFS STORE. ACN RELEASED FOR SERVICE PER MEL/CDL: 29-34-01-B CATEGORY: C EXPIRATION: 07SEP08 "MEL 29-34-01-B: ENG 2 HYD PUMP LOW PRESSURE LIGHT(S) INOP. MONITOR ECAM HYD PWR PAGE FOR LOW PRESSURE WARNINGS. REFER TO MEL 29-34-01-B FOR (O) PROCEDURE TO VERIFY CORRECT PUMP OPERATION PRIOR TO DEPARTURE." C/0372261. REMOVED AND REPLACED Y SYS ENG PUMP SW (6GD) PER AMM 29-13-62-4. PERFORMED ENG RUN PER JRH, NO HYD LEAK FOUND, TEST NORMAL. HYDRAULIC IND 3000 PSI.