Boeing 777-300ER Engine Compressor Stall. Compressor stalls cause the air flowing through the compressor to slow down or stagnate and sometimes result in reverse flow. Compressor stalls can be caused by a number of factors including: Foreign Object Damage (FOD) including bird strike. worn, dirty or contaminated compressor components. - #boeing #boeinglovers #boeing777 #b777 #777 #geaviation #ge90 #ge90engine #b777300er #b777lovers | speedbirdhd