Now I know that one
![Smilie](images/smilies/smile.gif)
lot of cracks found around rear door frame
That is a specific Aging Aircraft related AD...just like the cockpit side window post doublers known as E-F posts (also seen on 707 and 727 after all is exactly the same fwd structure) and the one just below the DV window which is like a butterfly stitch or sometimes a rectangular doubler