As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP DISAGREEMENT WHILE ON APPROACH. FLAP HANDLE 25, INDICATED 25. FLAP HANDLE TO 30, INDICATION STAYED 25. PERFORMED A GO-AROUND AND QRH PROCEDURE. AN EMERGENCY WAS DECLARED. UNEVENTFUL LANDING. PERFORMED FAULT ISOLATION IAW FIM 27-51-00-810-813. PERFORMED OPERATIONAL CHECK OF THE FLAPS IAW AMM 27-58-01-820-801. OPS CHECKED GOOD. AIRCRAFT OK FOR SERVICE.