A number of moons ago I removed an EDP for access. The helicoil fitted to the housing detached itself and needed replacing, on refitment. I wandered over to the hyd bay to obtain said item (cost-around 10p).
"Sorry mate, we've been leaned. We don't keep them anymore, you'll have to order a new pump."
The pump cost around £5k and the jet was on the ground for 48 hours.
Lean works......my ar*e