What was found
DUE TO HISTORY AND TO PREVENT FUTURE DELAYS T/S NR 1 ENGINE FOR FUEL LEAK DURING ENGINE START. GROUNDED - YES. FOUND LEAK SOURCE TO BE NR 1 ENGINE FUEL PUMP DRAIN. REMOVED NR 1 ENGINE FUEL PUMP PACKAGE, REF TASK CARD N8473000. INSTALLED MAIN OIL/FUEL HEAT EXCHANGER. INSTALLED SERVO FUEL HEATER ON NEW NR 1 ENGINE FUEL PUMP, REF AMM 79-21-02-400-801-F00 AND AMM 73-11-07-400-801-F00. INSTALLED NR 1 ENGINE FUEL PUMP PACKAGE, REF AMM 73-11-01-400-801-F00. INSTALLED NR 1 HMU PER T/C N8473001. OPS TEST GOOD. NO LEAKS.