What was found
ON FLIGHT 3895 (DTW TO ALB) RECEIVED FLAPS FAIL AT 0 ON APPROACH. AIRCRAFT DIVERTED TO GRB AND LANDED SAFELY. PERFORMED TROUBLESHOOT PER BOMBARDIER FIM REV 44 IAW AD 2009-06-12 PARA (H)(6)(I) AMOC DATED DEC 7 2012 AND PA AD27-052J. FAULT CODES HOW JAM ON LEFT SIDE TROUBLESHOOT PER FIM 27-50-00 TROUBLE 18. REMOVED AND CLEANED FLEX SHAFTS NO DEFECTS NOTED AND NO BINDING NOTED. REMOVED AND REPLACED ALL 4 FLAP ACTUATORS. OPS AND RIG CHECKS GOOD.