For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Original charger detects leakage on the board.
Usually one of Q7080/85.
Measure R7080/81 and R7085/86 onboard.
Depending which one shows much lower value, you will know if is one of these MOSFETs...