If you add up all the kludges, fixes, improvements, and down right wacky features the Metroliner has it all comes out as a real Rube Goldberg contraption that these days would be laughed at by certification authorities. The kind of laughed at when soda comes out of your nose laughed at.
Still, a fun plane. Aside from the SAS going off and trying to smite thee, I never had a mechanical.