As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN- ON FLIGHT 4277, DURING TAXI OUT, THE FLAP FAULT STATUS MESSAGE ILLUMINATED. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE RESET THE SYSTEM PER THE PROCEDURES IN THE AMM. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.