As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: SELECTED FLAPS 1, IMMEDIATELY TRAILING EDGE ASYMMETRY, RIGHT FLAP STARTED TO MOVE BUT LEFT FLAP DID NOT. NO SLATS EXT. FLAPS GOT TO I NEEDLE WITH AND STOPPED. EMERGENCY WAS DECLARED INTO MEX. REMOVED AND REPLACED OUTBOARD FLAP INBOARD NUMBER 7 SKEW SENSOR.