As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAPS FAIL AT ZERO ON APPROACH. FLAP SYS PREVIOUSLY DEFERRED. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 39 IAW AD 2009-06-12 AND PA AD 27-052G. REMOVED LT WING FLAP FLEX SHAFTS FOUND WATER AT OB NR 5 FLEXSHAFT. CLEANED AND REGREASED FLEX SHAFTS. NO DEFECTS OF FLEXSHAFTS. ACTUATOR LOW TEMP TQ CHECKS GOOD. REINSTALLED FLEX SHAFTS. OPS AND RIG CHECKS GOOD. REF FIM 27-50-00 PARA 4A (16)(E) 1A-11.