As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#3 ENGINE STALL NO LIMITS EXCEEDED. #3 ENGINE PRECAUTIONARY SHUTDOWN. PERFORMED BORESCOPE OF #3 ENGINE IAW B747 AMM 72-00-00. FOUND SEVERE DAMAGE TO BLADES IN B1-12 & B1-13 PARTS. REMOVED AND REPLACED #3 POWERPLANT SYSTEM LEAK AND OP'S CHECKS GOOD IAW KA 747-400 TASK CARD 71-001-00-00 FOR WORK PERFORMED WITH ORIGINAL SIGNATURES