As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INCOMING INSPECTION AND DISASSEMBLY OF ENGINE ESN 31805, SASAI HAS DISCOVERED A HOLE IN THE OUTER CASE OF THE 04 MODULE. PICTURES HAVE BEEN UPLOADED TO EXOSTAR UNDER THE INVESTIGATIONS-UNIQUE EVENTS FOLDER. THE HOLE/DAMAGE DENOTED ON THE OUTER CASE IS APPROXIMATELY 2 INCHES LONG WITH A LIFT ON 1/8€? THE DAMAGE TO THE HPT SEAL SEGMENTS, WHICH IS LOCATED DIRECTLY OPPOSITE OF THE HOLE IN THE OUTER CASE IS 1 INCH LENGTH X 3/4 INCH WIDTH.