The Pakistan International Airlines (PIA) Airbus A320 had lost its twin engines before crashing on Friday afternoon while attempting for a second landing in Karachi. (www.jetflightpro.com) 更多...
If the blackening of the engine undersides is indeed physical damage due to contact with runway, the angle of this blackening would lead one to expect similar damage to aft underbelly and tail skid. From the photo, this is not evident.
The trailing black marks - possibly engine lubricant? I do the what looks like the Air Ram Turbine deployed.
If the PIA fleet was grounded for many weeks, how were they stored and what procedures did PIA follow to return the aircraft to flight ready status? This we may never know. If the FDR & CVR boxes are located, they will give some clarity to this accident.
Avation Safety Network has photos taken of it on the go around showing damage to both engines very clearly from runway contact thats what it is not oil.
Both engines show runway damage as reported by one fellow who observed there landing gear being up. Also ATC recording one could hear the auto call gear not down. The rat was deployed due to engines out. How much fuel is problaby not the problem engine damage due to scraping the runway that resulted in the go around.