Otú ọ dị, a karịsịa oké elu-ọsọ flutter nsogbu e edozi naanị site inserting depleted uranium counterweights dị ka ballast na outboard engine nacelles nke n'oge 747s. Nke a jikoro mere nchegbu mgbe ndị a ugbo elu jiri, n'ihi na ihe atụ El Al Flight 1862 na Amsterdam na 1992 na 282 kilograms (622 lb) nke uranium na tailplane (horizontal stabilizer). The ụgbọ elu ule usoro e gbochie nsogbu na 747 si JT9D engines. Ihe isi ike gụnyere engine stalls kpatara ngwa ngwa throttle mmegharị na distortion nke turbine casings mgbe a obere oge nke ọrụ. The nsogbu e edozi. Otú ọ dị, mgbe mbụ ụgbọ elu na-ewepụ nsogbu ndị a na-ewepụ na ụgbọ elu na-aga n'ihu n'oge a na-agba ọsọ, a na-ewepụ ya n'ọdụ ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọelu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ elu ụgbọ
engine stalls mere site ngwa ngwa throttle mmegharị na distortion nke turbine casings mgbe a obere oge nke ọrụ