As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW MADE AN UNSCHEDULED LANDING IN RSW DUE TO "SPOILER FAULT 4". THE AIRCRAFT RETURNED TO DEN ON A SPECIAL FLIGHT PERMIT. MAINTENANCE REMOVED AND REPLACED THE NR 4 RIGHT SPOILER SERVO AND PERFORMED RIG, OPERATIONAL AND LEAK CHECK PER AMM 27-64-51 PB 401.