As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJU - CREW REPORTED FLAP ASYMMETRY INDICATION. EMERGENCY DECLARED FLIGHT LANDED SJU WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND F4 PROXIMITY RETRACT SWITCH FAULTY. REMOVED AND REPLACED PROXIMITY SW S174. SYSTEM GROUND CHECK NORMAL OPERATION.