Originally Posted by
yanrair
The guy was totally incorrect as has been observed here.
You (just) observe the aircraft getting out of trim due to rotation of trim wheels, and if flying manually you observe that the plane is getting more and more nose heavy and hard to hold. Trim nose up using ELEC trim, all the way back into trim and turn off the STAB switches. Then trim manually.
That's the full package.
Don't think that guy had flown a 737 at at all.
Cheers
Yan
Not exactly as per the AD issued - My bold, seemed more an option(al extra) not a mandate.