Now that's interesting-747 incident
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Now that's interesting-747 incident
Occurrence Summary :
A12W0087: While en route from Anchorage, AK to Covington, KY, the crew of Atlas Air flight GTI8904, a Boeing 747-47UF, declared an emergency due to low oil quantity indications on 3 engines (GE CF6-80). The flight was diverted to Edmonton Intl (CYEG) where it landed at 0947 with ARFF on standby.
A12W0087: While en route from Anchorage, AK to Covington, KY, the crew of Atlas Air flight GTI8904, a Boeing 747-47UF, declared an emergency due to low oil quantity indications on 3 engines (GE CF6-80). The flight was diverted to Edmonton Intl (CYEG) where it landed at 0947 with ARFF on standby.
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Sounds sort of like this incident from many years ago:
On May 5, 1983, Eastern Air Lines Flight 855, a L-1011 registration N334EA, while flying from Miami to Nassau, shut down the #2 engine due to low oil pressure and began a return to Miami. Both of the remaining engines later failed. Without power, flight 855 descended from 13,000 to 4,000 feet (1,200 m) before the #2 engine was restarted and the aircraft landed in Miami without injuries. Incorrect engine maintenance had led to the loss of oil on all three engines.[65]
If I remember correctly, there was an O ring left off each of the filler plugs on each of the engines....or something like that.
On May 5, 1983, Eastern Air Lines Flight 855, a L-1011 registration N334EA, while flying from Miami to Nassau, shut down the #2 engine due to low oil pressure and began a return to Miami. Both of the remaining engines later failed. Without power, flight 855 descended from 13,000 to 4,000 feet (1,200 m) before the #2 engine was restarted and the aircraft landed in Miami without injuries. Incorrect engine maintenance had led to the loss of oil on all three engines.[65]
If I remember correctly, there was an O ring left off each of the filler plugs on each of the engines....or something like that.
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CF6-80 series engine have a tendency to hide oil, so it is not unusual to see oil indications reducing from 20 to around 8 in flight.
Maybe that is what they had and not a leak.
Maybe that is what they had and not a leak.
