The killer is AD 2003-14-21
Overdue on the 524-B2 ( -200 - Saudi aircraft),
Due on the 22B ( all the -1 aircraft) next year
and the 524-B4 ( -500) the year after.
-200 is the only one with the B2 engine so very limited numbers.
Denzil - yes some of the spars were done in GAMCO but not all.