Originally Posted by
ARL120384
I thought it was APU oil overservicing?
Right which rarely happens nowadays and there’s the 2 minute cooldown on the checklist.
this was a number 1 engine problem so the associated smoke was probably because something blew. Not the everyday fume event just an unfortunate side effect of whatever happened on that flight.
https://www.pprune.org/engineers-tec...-bearings.html