Are these taperloks hard to find? Assuming availability to be an issue, here are the Rules for their re-use, as I understand them. Part 43 performance rules say I must use aeronautical parts and acceptable practices in preventive and routine maintenance, as well as alterations and repairs not...
Obvious first choice is the tool the mfgr's manual requires, typicall including any fixture necessary to establish measurement criteria. Absent this, the next choice would be an optical comparator. If you are talking 15 or 16th stage vanes, these tools would be critical for such small sizes...
