this thing is supposed to keep the debris out of the oil/fuel system
fuel strainer
longest runway in Poland
Warsaw Chopin
orange spots / cavities
corrosion
FDGS
Fan drive Gear System
collects oil
scavenge pump
shortest runway in the world
usually a small defect, visible e.g. on leading edges
nick
AGB
Angle Gearbox
used to remove bearings
bearing pusher puller
biggest aircraft in history (by wingspan)
Stratolaunch Roc
a defect induced by a regular, repatead tearing action
groove
DCV
Directional Control Valve
rolls in this bearing are of conical shape
tapered roller bearing
biggest aircraft in history (by MTOW)
Mriya
a defect but also a special process to harden metals
peening
MGB
slows the fan shaft down
FDGS
Oldest airport in the world
College Park Airport in Maryland, USA (1909)
characterized by discoloration, deformation, charring
burning
FEGV
Fan Exit Guide Vanes