As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YOW - INFLIGHT MIA-YUL. CREW REPORTED FLAP ASYMMETRY INDICATION. EMERGENCY DECLARED FLIGHT DIVERTED YOW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. MAINTENANCE FOUND A SPLIT IN THE FLAP INDICATION AND VERIFIED NUMBER 3 SENSOR OUT OF ADJUSTMENT. REPLACED NUMBER THREE SKEW SENSOR. SYSTEM GROUND CHECK NORMAL OPERATION.