Originally Posted by
Canarsie
People have chided Delta Air Lines for having an older fleet of aircraft; but their maintenance seems to be second to none — at least, to my untrained eye after visiting its Technical Operations Center several times — to the point where other airlines contract out the maintenance of their aircraft to Delta Air Lines.
Well... Aircraft MRO is a complex topic. No eye, trained or otherwise can really see things if the job is done well, just to customer specification or above what is required. I had the pleasure of flying DL in B763, B764 and A332 recently and wouldn't subscribe to the 'second to none' statement.