OK, at a guess:
Connecting rod bolt falls out (how that happens in the first place is anyone's guess)
Bolt starts getting kicked around the the crankshaft, doing major damage to the inside of the crankcase
At some point bolt gets wedged somewhere it doesn't belong.
Irresistible force meets immovable object. Stuff breaks (liners and piston). More shrapnel.
How do you fix it? Well, that depends on what damage got done. The block itself may be damaged beyond repair. Ditto the crank, rods, bearings... you name it.
The cylinder sleeve itself is destroyed. I don't even know if it's possible to replace that.
This engine is toast, IMHO.
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I am NOT an adrenaline junkie, I'm a skill junkie. - csmith12
Nam et ipsa scientia potestas est.
Heri historia. Cras mysterium. Hodie donum est. Carpe diem.
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