The US Navy always seems to have had a problem with any non soviet diesel build after WW2.
"Carrier sinking" stories are known from Germany (U-24), the Netherlands (Dolfijn, I think) and Norway (HNMS Ula), at least.
Apparently U-24 also "sank" a 688 during the carribean cruise in 1998.
On a german navy forum (you've got to be ex navy to post there) some sonar operator told how he tracked the 688 while a US navy officer beside him "started to sweat" as they got a firing solution on the 688 without being noticed.
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