As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HIGH PRESSSURE TURBINE BLADE RETAINING RIVETS AND COLLARS APPEAR TO BE SUFFERING EROSION CAUSING RIVET TAILS TO FALL BELOW THE .050 INCH PROTRUSION AS OUTLINED IN THE MFG SB. IN ITS CURRENT CONDITION ALL 71 EA. RIVETS (PN 311588901) COLLARS (PN 311683801) ARE BEING REPLACED WITH NEW.