No. FHA will not require the Mortgagee to order a second appraisal under the collateral risk assessment process outlined in Mortgagee Letter 2018-06 if the HECM case number was assigned prior to October 1, 2018.
For additional information see Mortgagee Letters 2018-06 and 2019-16 available at: https://www.hud.gov/program_offices/administration/hudclips/letters/mortgagee