yanrair, #2644, re
‘it suggest by saying "not easily" that it is in fact possible but not easily”
See thread
Boeing advice on "aerodynamically relieving airloads" using manual stabilizer trim which discusses this issue relating to 737 Classics and NG.
I suspect that the AMM ‘not easily’ relates to this discussion. However, for the Max - as yet unknown, there is the possibility that ‘not easily’ could become ‘not at all’ at some point during a MCAS failure situation.