As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF ABOUT 800 FT MSL HAD LARGE BANGING NOISE. APPEARED TO BE COMPRESSOR STALL IN NUMBER TWO ENGINE. SMALL DECREASE IN N1 NOTED. LANDED WITHOUT INCIDENT. COMPLIED WITH FIM 71-05 TASK 804 PARA A-E, NO FAULTS NOTED. REPLACED NUMBER TWO HMU AND PERFORMED REPAIR CONFIRMATION. ALL CHECKS WERE GOOD. PERFORMED BOROSCOPE OF ENGINE FOR ANY DAMAGE. NONE NOTED.