Good to see the TRIM reference in the left hand side of the robust letter. It is unusual that CASA keep such printed correspondence on file, unless there is a pineapple attached.
Anyway, good to see that Leadie and others have stirred the proverbial CASA hornets nest up a bit. Poor LSG, they must be working around the clock at the moment dotting the 'I's and crossing the 't's, doesn't leave them with a hell of a lot of trough time