As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY DECLARED. WHEN LOWERING THE FLAPS & SLATS ON APPROACH, THE FLAPS LOCKED UP. ALTERNATE FLAPS & SLATS EXTENDED. UNEVENTFUL LANDING. REMOVED AND REPLACED THE FLAP & SLAT ELECTRONICS UNIT IAW AMM 27-51-01-401. OPS CHECKED GOOD. AIRCRAFT WAS GROUNDED.