What was found
WHILE TROUBLESHOOTING THE NR 1 IDG, SWITCHING BUSSES BACK AND FORTH CAUSED P5-13 ELEC LIGHT TO ILLUMINATE. SHOWS SPCU INOPERATIVE FAULT. ACFT GROUNDED. REMOVED & REPLACED THE SPCU IAW AMM 24-34-11. OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE TROUBLESHOOTING THE NR 1 IDG, SWITCHING BUSSES BACK AND FORTH CAUSED P5-13 ELEC LIGHT TO ILLUMINATE. SHOWS SPCU INOPERATIVE FAULT. ACFT GROUNDED. REMOVED & REPLACED THE SPCU IAW AMM 24-34-11. OPS NORMAL.