As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE FUEL PUMP PAD DRAIN HAS A STREAMING FUEL LEAK AFTER STARTER CUTOUT AND CONTINUES TO LEAK AT IDLE WITHOUT SLOWING. 2 ATTEMPTS TO START ENGINE WITH THE SAME RESULT. GROUNDED - YES. REMOVED AND REPLACED #1 ENG MAIN FUEL PUMP REF B737-9 AMM 73-11-01-000-801-600 AND AMM 73-11-01-400-801-600. OPS AND LEAK CK GOOD NO LEAKS NOTED.