As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SIX FENESTRON BLADES TO HAVE SURFACE CRACKS IN THE SURFACE PENETRATING INTO THE FIBER AFTER SANDING PAINT AND PRIMER. REF: MWC 64.21.00.602 CHAP 2-3. S/N'S OFF 19249/19251/19253/19254/19360/19395. INSTALLED THE FOLLOWING S/N'S 25131/25129/25136/25130/25143/25140.