As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TC 78472002 ON THE NR2 ENGINE, FOUND THE FAN BLADES 18 & 22 COATING OUT OF LIMITS IAW AMM 72-21-02. ACFT GROUNDED. REPLACED THE FAN BLADES 18 AND 22, WELL AS 180 DEGREES OPPOSITE 6 AND 10 IAW AMM 72-21-02-000-802-F00.