What was found
ON DEPARTURE OUT OF TOL, RAPIDLY LOST OIL QTY NR 3 ENGINE DURING CLIMB-OUT, TEMPS AND PRESSURES OK. SHUT DOWN ENGINE AT 1.5 GALLONS REMAINING. ON POST FLIGHT FOUND STUD PULLED FROM OIL FILTER HOUSING. REPAIRED LOOSE STUD AND REMOVED AND REPLACED OIL FILTER IAW 79-20-06. OPS CHECK GOOD, NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)