According to the author of the article linked in the first post on this thread (depending on the particular aircraft) it may well be???
Just spoken to two AWI's, have said this isn't the case .AC 43 13 1B is still appropriate
AC 43.13-1B - Acceptable Methods, Techniques, and Practices - Aircraft Inspection and Repair [Large AC. This includes Change 1.] - Document Information
Last edited by blackhand; 2nd Aug 2012 at 00:16.