As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE HAD A COMPRESSOR STALL WITH AN AUDIBLE BANG. [SUP 06-01-07] INSPECTED ENGINE PER AMM TASK FOR STALL CONDITION AND FOUND NO DEFECTS. LUBED VARIABLE STATOR VALVE MECHANISM AND PERFORMED IDLE RUN CHECK. NO FURTHER IRREGULARITIES NOTED.