As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DESCENT, NOTICEABLE BUZZ IN NR 1 ENGINE FUEL LEVER AND SOFTER BUT STILL NOTICEABLE BUZZ FROM NR 1 FIRE HANDLE. TURBINE VIBS INCREASED TO 4.5 UNITS. TURBINE CASE CRACKED 12-1 O'CLOCK POSITION 12 INCHES LONG. HEAT SHIELD ABOVE CRACK MISSING FROM PYLON.