As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - WHILE TROUBLESHOOTING NR 1 ENGINE THROTTLE BINDING, FOUND APPROXIMATELY 1 INCH BY 6 INCH PIECE ROLLED BACK ON THE STAGE 7 COMPRESSOR CASE JUST ABOVE THE FUEL OIL COOLER ATTACH FLANGE. REMOVED AND REPLACD ENGINE NR 1. FURTHER INVESTIGATIN IS UNDERWAY. REF: CONTROL NR 96-14. (X)