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Old 03-14-2019, 01:19 PM
  #252  
FlyF35
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Joined APC: Mar 2019
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Originally Posted by FastDEW View Post
Yet, NASA reports are saying the issue corrected once the autopilot was disconnected and they flew manually. These two are counter to each other and seems to leave open more than MCAS as cause.
NASA report is also similar to prior flight experience (which landed safely) of the 1st crashed 737 Max last year per preliminary report:

The aircraft departed at 1420 UTC (2220 LT) at night time, the DFDR showed the stick
shaker activated during the rotation and remained active throughout the flight. About 400 feet,
the PIC noticed on the PFD the IAS DISAGREE warning appeared. The PIC handed over
control to the SIC and cross checked the PFDs with the standby instrument and determined
that the left PFD had the problem. The PIC noticed the aircraft was automatically trimming
AND. The PIC moved the STAB TRIM switches to CUT OUT and the SIC continued the
flight with manual trim without auto-pilot until the end of the flight
.

The remainder of the flight was uneventful and the aircraft landed Jakarta about 1556 UTC.
After parking, the PIC informed the engineer about the aircraft problem and entered IAS and
ALT Disagree and FEEL DIFF PRESS problem on the AFML.
The engineer performed flushing the left Pitot Air Data Modul
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