As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER SHUTDOWN DUE TO UNSUCCESSFUL TRIM RUNS, IT WAS DISCOVERED THAT THE ADAPTER VENTURI P3 BLEED AIR PIPE LOCATED ON THE NR 1 ENGINE (S/N TM123038) THERE WAS 1 INCH X 1 INCH HOLE IN THE PIPE. THERE IS A CRACK THAT HAS PROPOGATED AND CAUSED THE PIPE TO FAIL.