What was found
FLIGHT 2410. BELOW ACELL HT CYAN MSG HYD2 ELEC PUMP FAIL MESSAGE WENT AWAY WHEN FLAPS 1 SELECTED ON APPROACH MESSAGE REAPPEARED FOLLOWED CHECKLIST NO MALFUNCTION NOTED. SHUT ENGINE #2 DOWN & GOT HYD#2 LO PRESS CAUTION. REMOVED FROM SERVICE. INTERROGATED CMC FOUND FAULT CODES 293100032UT1, 29310034UT1. PERFORMED FIMS 29-31-00-810-821-A STEPS 1-7H(2). (NA ITEMS 7C-E). NO HELP. AND FIM 29-10-00-810-808-A STEPS 1-7C PARTIAL SUCCESS. HYD SYSTEM SHOWS MORE THAN 2400, BUT ACMP 2B OUTLINE IS NOT IN GREEN, PUMP IS RUNNING. SAME RESULTS AFTER POWER CYCLE. . CONTINUED TROUBLESHOOTING PER FIM 29-31-00-810-821-A. PER STEP 7L VERIFIED #2 HYD PRESSURE SWITCH AT FAULT. R&R #2 ACMP PRESSURE SWITCH PER AMM 29-31-04-000-801-A/-400-801-A. OPS CHECK GOOD DISCREPANCEIES DID NOT RETURN. AIRCRAFT IS OKAY FOR CONTINUED SERVICE. NO LEAKS NOTED. CDCCL INSP C/W PER AMM 28-41-00-210-801-A. RETURNED TO SERVICE.