As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE RECEIVED FOR REPLACEMENT OF SUSPECT NR 1 MAIN BEARING. DISASSEMBLY INSPECTION REVEALED ONE EACH 6TH STAGE BLADE FRACTURE AT APPROX 60 PERCENT SPAN WITH SUBSEQUENT DOWNSTREAM DAMAGE. THE BLADE WAS OF THE INCREASE L/E THICKNESS CONFIGURATION PER SB 72-460. THE FRACTURED BLADE HAS BEEN FORWARDED TO P&W FOR INVESTIGATION.