What was found
CREW REPORTED STRONG DIRTY SOCK SMELL IN FLIGHT DECK ONLY ON DESCENT. OCCURRED AT 8,000' LASTED ABOUT THREE MINUTES. CABIN CREW REPORTED NO FUMES OR DIRTY SOCK SMELL. NOTICED ODOR WHEN INCREASING POWER FROM IDLE, ONLY IN-FLIGHT DECK. PERFORMED INSPECTION REF AMM TASK 05-51-10-200-801-C1