What was found
FLAP FAILURE AT 13 DEGREES. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 39 IAW AD 2009-06-12 PARAGRAPH (H) (6) (I), AMOC DATED MARCH 27, 2009, TR 27-012 PER AMOC DATED DEC 18, 2009 AND PA AD27-052G MEGGED RT WING HARNESS AND RT BPSU. REMOVED AND REPLACED RT BPSU. AML 507807 ITEM NR 2 T/S FLAP SYSTEM IAW FIM 27-50-00. FECU CODES STORED INDICATE R/H BPSU FAILURE. REMOVED AND REPLACED RT BPSU IAW AMM 27-51-10. RIGGED BOTH BPSU'S IAW AMM 27-51-10. MEGGED RT WING HARNESS. NO DEFECTS NOTED. FLAPS OPS CHECK GOOD. THIS CLEARS DM 30151.