As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPRESSOR STALL ACCOMPANIED BY FLAMES EXITING THE EXHAUST NOZZLE REPORTED TO THE CREW BY THE CONTROL TOWER ON LANDING ROLL AT PDX, CREW SUSPECTED THE NR 2 ENGINE. MX BORESCOPED THE NR 2 ENGINE WITH NO FINDINGS. MX FOUND THE MEC SUSPECT OF CAUSING THE STALL DUE TO LEAKAGE. THE MEC WAS REPLACED IAW THE MM. (M)