What was found
AIR TURNBACK, NR 1 ENGINE COMPRESSOR STALLED. PERFORMED ENGINE BOROSCOPE & FOUND DAMAGE TO 8TH STAGE HPC BLADES BEYOND LIMITS. REMOVED AND REPLACED NR 1 ENGINE PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, NR 1 ENGINE COMPRESSOR STALLED. PERFORMED ENGINE BOROSCOPE & FOUND DAMAGE TO 8TH STAGE HPC BLADES BEYOND LIMITS. REMOVED AND REPLACED NR 1 ENGINE PER MM.