As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT RECEIVED, LT ENG HPSOV EICAS MESSAGE. [07-24-07] AFTER TROUBLESHOOTING WITH INCONCLUSIVE RESULTS, CONDUCTED BORESCOPE ON NR 2 ENG SN 724700. ENGINE FAILED BORESCOPE INSPECTION ON EC6271 DUE TO COMBUSTION CHAMBER CONTINOUS AXIAL CRACKS THRU MORE THAN 3 LOUVERS. THIS IS BEYOND REDUCED INTERVAL LIMIT PER MM 72-00-00. DAMAGE LOCATED AT 7:30 ON OUTER COMBUSTION CHAMBER, VERIFIED ON COLD SIDE.REPLACED NR 2 ENGINE PER MM- 71-00-02. ENGINE & PNEU SYSTEM CHECKED OK.