As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT FLL TO DFW. CREW REPORTED THE FLAP HANDLE INDICATOR DID NOT MOVE WHEN THE FLAP HANDLE MOVED TO 30. WHILE WORKING THE PROBLEM GOT A TOO LOW FLAP WHICH CONFIRMED THE FLAPS, WHERE NOT AT 30. WENT AROUND AND COMPLETED THE TRAILING EDGE FLAP DISAGREE PROCEDURE. LANDED WITHOUT INCIDENT WITH FLAPS 15 DEGREES FOUND FAULT CODE 27-53-280. REPLACED CIRCUIT BREAKER C1443 AND INDICATOR.