As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HIGH POWER DEMANDS, COMPRESSOR STALLS NOTED BY PILOT. DURING ACCELERATION CHECKS ON GROUND, MECHANIC NOTED COMPRESSOR STALLS. NYH BELIEVES THE COMPRESSOR STALLS ARE DUE TO DAMAGED 1ST STAGE COMPRESSOR BLADES (FOD). POWER SECTION REMOVED IAW S58T MM AND SHIPPED TO VENDOR FOR EVALUATION AND REPAIR.