What was found
ON FLIGHT 3825 (DTW TO YOW) RECEIVED FLAPS FAIL AT 3,000 FT ON APPROACH INTO YOW. AIRCRAFT LANDED SAFELY. REPLACED FECU IAW AMM 27-51-05. REPLACED RIGHT INBOUND NR 1 FLAP ACTUATOR IAW AMM 27-53-01. REPLACED RIGHT OUTBOARD NR 4 FLAP ACTUATOR IAW AMM 27-53-05. OPS & RIG CHECKS GOOD IAW AMM 27-51. REFERENCE NON-ROUTINE #31612 FOR DETAILS. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 44 IAW AD 2009-06-12 PARAGRAPH (H)(6)(I), AMOC DATED DECEMBER 07, 2012 AND PA AD27-052J. THIS CLEARS DM# 01457.