As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ACCOMPLISHMENT OF HC536H9159, FURTHER INSPECTION OUTSIDE OF THE REQUIREMENTS LED TO THE DISCOVERY OF TWO DAMAGED HYLOCK FASTENERS ON FRAME 29. BOTH BOLTS WERE CORRODED AND ONE HEAD HAD SEPARATED. FASTENERS REPLACED WITH OVERSIZE PER MANUFACTURERS INSTRUCTIONS.