What was found
(CAN) AIRCRAFT REJECTED TAKEOFF ON ROLL DUE TO THE EPR INDICATION THAT WENT FROM 2.01 DOWN TO 1.6 (ENGINE PRESSURE RATIO). FLIGHT ATTENDANT REPORTED HEARING A LOUD BANG. ENGINE CONTAINED. MECHANIC FOUND EVIDENCE OF DAMAGE TO THE TURBINE SECTION. REPLACED LT ENGINE. ENGINE UNDER INVESTIGATION FOR FINAL REPORT. SHOP INDUCTION DATE: JANUARY 17, 2001.THE ENGINE WAS DISASSEMBLED AT GE CELMA SHOP, THE SECOND STAGE BLADES FAILED CAUSING DAMAGE IN THE REST OF LPT BLADES AND VANES. A SAMPLE OF THESE FAILED BLADES WERE SENT TO THE MATERIALS LABORATORY AND OVERTEMPERATURE WAS DETECTED. THE OVERTEMPERATURE COULD BE CAUSED BY A HOT START OR BE A CONSEQUENCE OF THE FAILURE.