An 18-year-old rubber joint that had been in service for more than double its recommended lifespan ruptured on a Cook Strait ferry, causing a total blackout and leaving the ship drifting toward rocks.
This is a companion discussion topic for the original entry at https://www.stuff.co.nz/nz-news/360975622/virtually-certain-disaster-averted-how-1000-part-nearly-sank-cook-strait-ferry