As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPRESSOR DISASSEMBLED DUE TO LOW POWER ON TEST CELL (-11.1). UPON INSPECTION OF COMPRESSOR PARTS NOTED THE FOLLOWING: DISTORTED FINISH ON SHROUD HOUSING COATING AS MARKED. (NOTE: ENGINE POWER +1.6 WITH OH REPLACEMENT PART) REPLACED DISCREPANT PART.