As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE NR 23 FAN BLADE ROOT CU-NI-IN CHIPPED OUT OF LIMITS IAW TC 78472002. ACFT GROUNDED. REMOVED AND REPLACED THE 23 AND 11 FAN BLADES IAW AMM 72-21-02-000-802-F00. ACCOMPLISHED ULTRA SOUND INSPECTION OF REPLACEMENT BLADE ROOTS IAW AMM 72-21-02, NO DISCONTINUITIES NOTED.