Have you got a copy of the tech log coupon, EA etc? The LAME shouldn't have signed the RTS on the 767.
The B744 is downright bizarre. Surely the guys have been doing engine changes for a long period of time, unless they got monkeys off the street.
Has there been a REPCON report submitted?
I do recall a discussion amongst my base maint crew that its only a matter of time before a Qantas plane hits the dirt.