What was found
AFTER ENGINE START AND AFTER CONDITION LEVER SELECTED TO 1020RPM, THE NR 1 PROP TO GO OUT OF FEATHER. AFTER BEING INSTRUCTED BY MAINT TO PUT THE NR 1 PROP BACK TO START/FEATHER POSITION AND THEN BACK TO 1020RPM POSITION, IT TOOK THE PROP 35 SECONDS TO GET OUT OF FEATHER. C/W FIM 61-20-00-810-803 STEPS 1-4(A). ADDED 600ML OF PROP GREASE. NO LEAKS FOUND. UNFEATHERED NR 1 PROP 3X WITH AN AVERAGE TIME TO UNFEATHER OF 16 SECONDS. A/C IS CLEARED FOR RETURN TO SERVICE.