As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPRESSOR ADAPTER COUPLING FRACTURED IN THE SAME FAILURE MODE AS ADDRESSED BY AD 2004-26-09. THIS COMPRESSOR WAS IN THE POST-AD, CEB A-1392 (PRE-REV. 2), CONFIGURATION WHICH WAS INTENDED TO FIX THE ORIGINAL PROBLEM WITH THIS PART FRACTURING. THE PARTS ASSEMBLED WERE A NEW (TT: 0) IMPELLER WITH A NEW PN 23076559-1 COUPLING.