What was found
DURING ENG START, AFTER N2 WENT TO 40 PERCENT FUEL FLOW FLUCTUATING 700 TO 1400 PPH & THEN IMMEDIATELY FUEL FLOW WENT TO 0 PPH NR 1 ENG SHUTDOWN. REPLACED NR 1 ENG FUEL CONTROL & FUEL PUMP. OPS CHECKED GOOD IAW 73-21-02 & 73-11-01 OF THE JT8D MM. NR 1 ENG FUEL CONTROL REMOVED. REPLACED NR 1 ENGINE FUEL CONTROL IAW 73-21-02 OF JT8D MM LEAK & OPS CHECKED GOOD. NR 1 ENG FUEL PUMP REMOVED. REPLACED NR 1 ENG FUEL PUMP IAW 73-11-01 OF MM, LEAK & OPS CHECKED GOOD. NR 1 ENG TRIM REQUIRED AFTER FUEL PUMP & FUEL CONTROL CHANGE IAW MM 73-11-01, 73-21-02. RAN NR 1 ENG IAW ASTAR JRH 5.2 PERFORMED NR 1 ENG TRIM IAW JRH 7.9 MM 72-00-00 POWER ASSURANCE RAN AND TRIM SHEET COMPLETED OPS CHECK AND LEAK CHECKS ARE GOOD.