As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED A FLAP FAIL CAUTION DURING YYZ APPROACH, CREW PERFORMED AN EMERGENCY DESCENT AND DECLARED AN EMERGENCY. COMPLIED WITH AD 2009-06-12 PARAGRAPHS H6 & H7: MAINTENANCE FOLLOWING A FLAP FAILURE USING FIM 27-50-00. TASK CARD SI-2-27-50-00.