What was found
FLAPS FAIL AT 17 WITH HANDLE AT 20. FLAPS EXTENDED AT 8000FT AND 190KTS. 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 DECEMBER 18, 2009 AND PA AD27-052G. REF CONTINUATION CARD N38877 FOR RT O/B, O/B FLAP ACTUATOR REMOVED AND REPLACED.