As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENG SILENT SURGE FLAGGED BY AIRCRAFT. THIS EVENT WAS A SILENT SURGE THAT WAS REPORTED BY THE ENGINEER WHO MONITORS THE ECM. THE EPR WAS BELOW 1.25. THE AIRCRAFT AND FLIGHT CREW DID NOT REPORT THIS EVENT. SURGE CHECKS WERE ACCOMPLISHED ON THE ENGINE WITH NO DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE.