As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VISUAL APPROACH APPROX 3000, TE FLAP DISAGREE BETWEEN POSITION 15 AND 20. EXTENDED VIA ALTN SYS TO POS 20 FOR LANDING. MISSED APPROACH, DECLARED EMERGENCY. INSPECTED LE AND TE FLAPS AND TRANSMISSIONS ACCOMPLISHED AMM 27-51-00-715-001. NO DISCREPENCIES NOTED.