What was found
AIRCRAFT LOST POWER TO NR 1 BUSS, TAB, NR 1 COMM, ETC. FOUND F2 PUSH IN TYPE 30-AMP FUSE IN ELECTRICAL DISTRIBUTION BOX INTERMITTANT. FUSE WAS NOT BLOWN, BUT PUSHING ON IT MADE CONTACT WITH A+. TRYING TO REMOVE FUSE, IT BROKE A TAB OFF. THERE WAS ARCING ON THE TAB THAT CAUSED THE INTERMITTANT. (X)