Page:NTSB Aircraft Accident Report, United Airlines Flight 389.pdf/41

 9. The air data computer provides an indication of 200-210 knots at the time of electrical power interruption.

10. There was no major mechanical failure of the Nos. 1 and 2 engines before impact.

11. There is no evidence of a major mechanical failure 1n the forward fan section, forward bearing, or lubrication system of the No. 3 engine.

12. The rotational speeds of Nos. 2 and 3 were higher than No. 1 at engine impact.

13. The fuel system revealed no evidence of an intentional engine shutdown by the crew.

14. There is no evidence of thrust reversal inflight.

15. The aircraft was in a clean flight configuration at impact. The landing gear, trailing edge devices, leading edge devices, and speed brakes were fully retracted.

16. All structural components were capable of normal operation prior to impact.

17. There was no evidence in the recovered engine cowling and surrounding structure to indicate that anything had been ejected through the engine cowlings prior to impact.

18. There was no evidence of inflight explosion. The only fire that occurred during this accident was the flash fire which accompanied the impact with the water.

19. The aircraft's fire extinguisher system was not used.