As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
( HZ3R) FOUND AC CHIP DETECTION TRIGGERED IN CDS. DURING REMOVAL OF NR 1 AC GEN. FOUND A HOLE IN AC GEN MOUNTING SURFACE CAUSING A CONTAMINATION IN OIL SYS. CAUTION DURING T/O. THE ROTOR BAND FAILED AS A RESULT OF LACK OF PENETRATION OF WELD. THE ROTOR BAND FAILURE CAUSED ALL OTHER DAMAGE SEEN. PENDING COMPLETION OF ENGINEERING INVESTIGATION.