What was found
DURING TAXI AND NR 1 ENGINE START EGT WENT TO 849 ANALOG A/C ADVISED TO RTB. DURING T/S, N2 WENT TO ONLY 42.9 PERCENT AND EGT WAS ABOVE 750 FOR 2.5 MIN DAMAGE FOUND TO 1ST AND 3RD HPC. REPLACED ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI AND NR 1 ENGINE START EGT WENT TO 849 ANALOG A/C ADVISED TO RTB. DURING T/S, N2 WENT TO ONLY 42.9 PERCENT AND EGT WAS ABOVE 750 FOR 2.5 MIN DAMAGE FOUND TO 1ST AND 3RD HPC. REPLACED ENGINE.