What was found
(CAN) AIRTRAN A/C 702, NR 1 ENGINE S/N 13121 EXPERIENCED SHUTDOWN ON CLIMB OUT OF RALIEGH DURHAM AT 9,000 FT. ENGINE RPTEDLY MADE RMBLING NOISE&LOST POWER & RAN DOWN, ENGINE SUB-IDLE BEFORE SHUTDOWN, VIBRATION HIGH BUT NOT AMBER, SURGE LIGHT CAME ON. GROUND INSP REVEALED NO METAL IN TAIL PIPE&NO EVIDENCE OF EXTERNAL DAMAGE OR BIRDSTRIKE. WEATHER AT TIME OF EVENT CLEAR&SUNNY. ON GROUND, PRELIM GROUND-RUN PERFORMED&EVM ROSE TO 4.0 UNITS N2 BY 72% N2. PHYSICAL VIBRATION FELT,&RUN STOPPED. BORESCOPE PERFORMED&HP1 COMPRESSOR BLADE FOUND BROKEN OFF MID SPAN, PLUS EXCESSIVE HP1 COMPRESSOR DAMAGE. ENGINE CHANGE HAS BEEN CALLED FOR. DETAILS OF TROUBLE SHOOTING:ENGINE BORESCOPE PERFORMED IN RALIEGH DURHAM ON 16/04