ADE7758ARWZRL, can we detect and analyze the defective chip of only 1pcs?

ADE7758ARWZRL,1pcs chips are defective. After testing, it may be that the tolerance of the chips exceeds the standard.According to the instruction, VRMS HW input is about 4%, VRMS (count) should be lower than 5%, but our actual measurement result is 9.5%.5.5% above normal range.Is there any way to analyze and test 1PCS?