As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ALUM ROD WAS BEING REMOVED TO REPLACE SOME CORRODED BLIND FASTENERS AT THE LOWER END FITTING (FIXED-END, STEEL FITTING). WHEN IT WAS DISCOVERED THE ALUMINUM TUBE WAS CORRODED APPROX 45 PERCENT AROUND THE CIRCUMFRENCE OF THE ROD, AT THE END OF THE STEEL FITTING INSERT. ROD REMOVED FROM SERVICE.