What was found
DURING INITIAL CLIMB, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL. THE ENGINE WAS SHUTDOWN AND RESTARTED. FLIGHT CONTINUED AND AT TOP OF DESCENT, THE NR 3 ENGINE STALLED AGAIN. HOWEVER, ENGINE SHUTDOWN WAS NOT ACCOMPLISHED. FLIGHT CONTINUED TO HKG WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED BORESCOPE INSPECTION OF 8TH, 9TH, 15TH STAGES OF HPT AND 13TH STAGE OF OUTER SHROUD. NO DISCREPANCIES WERE FOUND. REPLACED EVBC AND ACCOMPLISHED PRECISION TRIM OF EVBC AND FCU.