What was found
NR 1 ENGINE SHUT DOWN DUE TO STEADY STATE STALL AFTER DESCENDING FROM 370 TO 350. ATTEMPTED TO RESTART AT 350 AND 280, UNSUCCESSFUL. LAST START WAS AT 0050Z, WINDMILL TIME 1 HOUR AND 33 MIN. N1-30 PERCENT, N2-21 PERCENT, OIL PRESSURE 15 PSI, FL 280, IAS 295. INSPECTED FUEL FILTER, NO DEFECTS. CHECKED EVC AND CONDITION MOTOR, NO DEFECTS. GROUND START OPS CHECK GOOD. ALSO, COMPARED TO NR 4 ENG, ALL MATCH. OPS CHECK GOOD PER MM 73-23-00.