What was found
INBOUND TO LAN THE CREW GOT A FLAPS FAIL MESSAGE. THEY LANDED 28L IN LAN WITHOUT AND FURTHER ISSUES. AS A PRECAUTION THEY DECLARED A EMERGENCY AND EMERGENCY VEHICLES WERE ON STANDBY BUT NOT NEEDED. NO INJURIES WERE REPORTED BY THE CREW. FLAPS FAIL CAUTION IN FLIGHT. FLAPS STUCK AT 1 DEGREE. / SWAPPED SFECU 1&2 IAW CRJ 700 AMM 27-51-05-000/400-801-A01. CLEARED INHIBITS IAW CRJ 700 AMM 45-45-00-970-821-A01. PERFORMED SELF TEST OF THE SFECU IAW CRJ 700 AMM 27-51-05-740-801-A01. SELF TEST FAILED PROBLEM FOLLOWED FROM 1 TO 2, SUSPECT BAD SFECU #1. RETURNED TO ORIGINAL CONFIGURATION. REMOVED AND REPLACED SFECU #1 IAW CRJ 700 AMM 27-51-05-000/400-801. OPS CHECK OF THE FLAP SYSTEM GOOD.