As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING MAINTENANCE ENGINE RUN ON #2 ENGINE, OBSERVED FUEL LEAKING FROM HPTACC DRAIN LINE (6 DROPS PER MINUTE). GROUNDED - YES. REMOVED HPTACC VALVE IAW B737-900 AMM 75-21-01 HPTACC SET IN PLACE WITH ALL NEW SEALS REF AMM 75-21-01-408-801-F00.