As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDED UNDER AMBER ALERT IN IAH DUE TO SPLIT FLAPS INDICATION. THE SUBJECT SPLIT FLAP INDICATION AND ASSOCIATED INHIBITED FLAP MOVEMENT WAS DUE TO A FAULTY FLAP POSITION INDICATOR (PN 18-1299-6-2, PCN 421 9632). THE SUBJECT INDICATOR WAS REMOVED AND REPLACED WITH NEW SERVICEABLE UNIT PER MM27-58-41/401.