The most common and most likely answer to this crossword clue is the 3 plus 4 letter word DRY DOCK
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The straight part
We know that "where craft’s made good" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case where craft’s made good = dry dock.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DRY DOCK mean?
DRY DOCK noun- A dock that can be drained of water and is used in the repair and construction of ships.