What was found
DURING FLIGHT, THE NR 1 ENGINE HAD A STALL CONDITION AND EGT OVERLIMIT, DUE THAT SITUATION THE AIRCRAFT DIVERTED. UNEVENTFUL LANDING. CARRIED OUT THE CORRESPONDING FAILURE ANALYSIS. FOLLOWED THE INSTRUCTIONS OF TSM 71-00-00-810-808-A, PERFORMED BORESCOPE INSPECTION TO LOW PRESSURE COMPRESSOR AS WELL HIGH PRESSURE COMPRESSOR, FOUND DAMAGES OUT OF LIMITS AS ESTABLISHED IN AMM 72-00-00-200-016-B ON HIGH PRESSURE COMPRESOR STAGES 6, 7 AND 8. PERFORMED LOAD DATA ANALYSIS AT LANDING IAW AMM 05-51-11-200-004-B. NR 1 ENGINE REPLACED.