As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) DURING FAN LUBE INSPECTION OF THE FAN HUB FOUR (4) FORWARD BOOSTER SPOOL PINS WERE FOUND TO BE VISIBLY LOOSE. AFTER A TORQUE CHECK OF THE REMAINDER, A FURTHER FIVE (5) PINS WERE FOUND TO BE LOOSE. TOTAL NUMBER OF UNDERTORQUED PINS NINE (9). (OTHER CAUSE: UNABLE TO ESTABLISH THE CAUSE ) (CASA 510001475)