As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LEAK CHECK OF NR 2 ENGINE HMU LINE, FOUND NR 2 ENGINE HMU PAD DRAIN LINE DRIPPING FUEL BEYOND LIMITS, REF B737-800 AMM 71-71-00-200-801. GROUNDED-YES. REMOVED AND REPLACED NR 2 ENGINE HMU, REF T/C N8473000 & N8473001. OPERATIONS/LEAK CHECKS NORMAL.