Mailed I-751 5/10/24
Received at Phoenix lockbox 5/13/24 (Priority Date)
Check processed 5/16/24
Notice Date 5/17/24 (48 month extension letter and UCIS Account Access Notice mailed)
Received extension letter and UCIS account letter in mail 5/22/24
Accessed USCIS account using online access code and can now see biometric appointment letter, biometrics scheduled for 6/5/24
Service center is National Benefits Center