As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING FAN BLADE LUBE ON THE #1 ENGINE MATED BLADES #10 AND 22 HAVE CHIPPED CU-NI-IN COATING OUTSIDE OF AREA X. REF B737-800 AMM 72-21-02-200-801-F00. GROUNDED - YES. REPLACED FAN BLADE #10 AND #22 ON ENG #1 REF T/C 78472010.