Originally Posted by
jimf671
As I understand the oil filter problem, Titanium bolts were used on a component that had to be regularly removed and refitted as part of the mandatory maintenance regime. Whatever the history of Ti use in aviation may be, that approach is very very unwise. Only a matter of time.
Titanium fasteners (like Hi-Lok pins) are commonly used on aircraft structures. But only for applications where they are not normally intended to be removed. They work well in situations where they are installed using carefully controlled procedures.