As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER ASA T/C 78472010, #1 ENG FAN BLADE LUBE #11 FAN BLADE CU-NI-IN COATING MISSING BEYOND LIMITS ON CC SIDE. GROUNDED - YES. REMOVED AND REPLACED #11 FAN BLADE AND PAIRED POSITION #23 PER ASA T/C 78472010. FAN BLADE ASSY REMAP ACCOMPLISHED. SEE BLAMAP RESULT ATTACHED TO T/C 78472010. RESET REAR CONE BALANCE WEIGHTS TO NOMINAL POSITION FOR VIBE SURVEY.