As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF T/C 78472002, NR 2 ENG FAN BLADE LUBRICATION . FOUND ALL 24 EA FAN BLADE SHIMS HAVE THE MOLYDAG COATING MISSING AND WORN TO BASE METAL. ACFT GROUNDED. INSTALLED 24 NEW FAN BLADE SHIMS, PN: 340-252-307-0 IAW TASK CARD NR 78472002 ON NR 2 ENGINE FAN BLADES.