As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT 2382: FLAP POWER CAUTION LIGHT ILLUMINATED AFTER FLAPS REACHED 15 DEGREES AFTER START. MAINTENANCE REMOVED AND REPLACED FLAP POWER UNIT IAW Q400 AMM 27-52-01-001-801 AND FOR INSTALLATION, TASK 24-52-01-400-801. LEAK AND FUNCTIONAL TEST GOOD. NO FLAP DRIVE CAUTION LIGHT NOTED. AIRCRAFT RETURNED TO SERVICE.