On the FHA Online Application home page, the third text option is "Forgot your password? Click Here".
After clicking the link the user will be prompted to enter their User ID.
After entering their User ID they will have receive their new password in an email that is sent to the email account they input during the credentialing.
The FHA Online Lender Approval Application is available on the How to Become an FHA-Approved Lender web page at https://www.hud.gov/program_offices/housing/sfh/lender/lendappr
HUD Policy Determination