What was found
PASSING THROUGH APPROX 1000 FEET DURING INITIAL CLIMB OUT AIRCRAFT BEGAN TO LURCH ACCOMPANIED BY A LOUD BANGING NOISE. THIS A/C WAS PREVIOUSLY WRITTEN UP AFTER A REJECTED T/O DUE TO THE NR 3 ENGINE COMPRESSOR STALLING. THE CREW INITIATED A SHUTDOWN OF THE NR 3 ENGINE WITH THIS IN MIND. THERE WERE NO INSTRUMENT INDICATIONS OF ENGINE DAMAGE EXCEPT THE NR 1 ENGINE EVM THAT WAS MEL'ED. THE CONTROL TOWER REPORTED "SPARKS" COMING FROM THE NR 1 ENGINE. PER SERVICE ENGINEERING WITH METAL FOUND IN TAILPIPE NR 1 ENGINE HAS BEEN APPROVED FOR REMOVAL. W/C: 71T0901-GE,7110000-00-96, 79T0901, 7110000-10-99, 29T0301, 7110000-00-94. COMPLETED ENGINE 1 INSTALL & OPERATIONS CHECKS.