As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH ENG #1 AT IDLE, FUEL SERVO HEATER IS LEAKING FUEL PROFUSELY. GROUNDED - YES. REMOVED THE #1 ENG SERVO FUEL HEATER REF B737-900 AMM 73-11-07-000-F00. 1INSTALLED NEW #1 ENG SERVO FUEL HEATER PER AMM 73-11-07-400-801-F00 LEAK CK GOOD.