As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP FAILURE CAUTION MSG ON 4 MILE FINAL. FLAPS FAILED AT 30`. VERIFIED ON SYNOPTIC PAGE. EMERGENCY VEHICLES ROLLED AS A PRECAUTION. T/S SYSTEM FOUND FECU LOOSE IN RACK. PERFORMED FECU TEST AFTER TIGHTENING KNOBS. IAW AMM 27-51-05 PG 501-504. SYSTEM OP CHECKED OK. A/C OK FOR SERVICE.