the FP has not been mailed, you have nothing to worry about.
It's not normal, but possible, not having received FP yet. The delay of taking FP would not delay the whole processing of I-485, as FP check is much fast than NC.
It's not normal, but possible, not having received FP yet. The delay of taking FP would not delay the whole processing of I-485, as FP check is much fast than NC.