As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING L/O, FWD EQUIP COOLING FAN C/B POPPED WITH NUMEROUS UNASSOCIATED MTC AND STATUS MSGS. FOUND TERMINAL STRIP TB5012 IN P6-3 PANEL AND BOTH TERMINALS NR 1 PHASE WIRE BURNED. REPLACED TB5012 AND COVER WITH MFG P/N MS27212-3-3 AND MS18029-353. REPLACED WIRE TERMINALS. ALL CHECKS NORMAL.