As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF T/C #78472010 CFM56-7 FAN BLADE LUBRICATION. #2 ENG FOUND 2 BLADES #7 AND #20 HAVE MISSING CU-NI-IN COATING BEYOND LIMITS OF AREA X ON CONCAVE T/E SIDE. GROUNDED - YES. REPLACED 2 PAIRS OF BLADES #7/#19 AND #8/ #20 ON ENG #2 PER T/C 78472010.