As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO. 1 ENGINE FUEL LEAK TRAILING BEHIND ENGINE AS TAXING TO PARKING. AFTER ENGINE SHUTDOWN LARGE POOL OF JET FUEL UNDER ENGINE. GROUNDED - YES. PERFORMED IDLE LEAK TEST BY FLIGHT CREW FOR 5 MINUTES IAW B737-9 AMM 71-00-00-790-804-GOO. LEAK FROM FUEL PUMP OUT OF LIMITS. REPLACED #1 ENG MAIN FUEL PUMP REF AMM 73-11-01. ACCOMPLISHED MAIN FUEL PUMP INSTALLATION TEST REF AMM 71-00-00 TEST 4 WITH NO LEAKS NOTED. ETOPS GROUND VERIFICATION.