What was found
UPON ARRIVAL AIRCRAFT WOULD NOT CONNECT TO GROUND POWER.(<P>BITE BPCU IAW FIM 21-20 TASK 801. REPLACE BPCU FAULT CODE 41 PER FIM 24-20 TASK 803 TABLE 101. FOUND INTERLOCK FUSE BLOWN, R&R IAW AMM 20-00-00. DID NOT HELP, REMOVED & REPLACED BPCU IAW AMM 24-22-02. OPS CHECK NORMAL, GROUND POWER CONNECTS AND NO DEFECTS NOTED AT THIS TIME.</P>)