As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER T/C 78472010 #2 ENG FAN BLADE LUBE REAR CONE HAS A NICK BETWEEN BALANCE SCREWS #20 AND 21 11747 04/26/2010. GROUNDED - YES. REMOVED REAR TAIL CONE AND INSTALLED ALL NOMINAL BALANCE WEIGHTS REF B737-800 AMM 71-00-250-802-F00. INSTALLED REAR CONE PER T/C 78472010.