As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) PROPELLER HUB HAD UNAPPROVED MODIFICATIONS - HUB HAD BEEN ILLEGALLY MODIFIED FROM -E2YR TO -E2YL CONFIGURATION BY INSERTION OF VARIOUS ILLEGALLY MADE BUSHES BEING INSERTED INTO THE DOWELHOLES - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED MODIFICATION