As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CRACK INDICATIONS DURING FMPI INSIDE SQUARE DRIVE OF GEARSHAFT. INDICATORS APPEAR SHARP. A WELL DEFINED CRACK-TYPE INDICATION IS SEEN INSIDE CORNERS OF SHAFT. OUTSIDE DIAMETER SHOWS BROAD FUZZY INDICATIONS THAT CORRESPOND DIRECTLY TO INSIDE INDICATIONS. ONE ADDITIONAL SHAFT HAD 4 INDICATIONS (UNKNOWN S/N).