As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG - FLAP POWER CAUTION LIGHT ILLUMINATED AFTER FLAPS SELECTED UP AFTER TAKEOFF. AFTER DOING CHECKLIST, CAUTION LIGHT STAYED ON. DIVERTED TO GEG AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE FLAP CONTROL UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.