As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PREFLIGHT FOUND RT BOOST PUMP INOP. TROUBLESHOOTING FOUND WIRE CONNECTORS AND TERMINAL BLOCK AT TB-AA IN DA PANEL OVERHEATED AND BURNED DUE TO IMPROPER TORQUE OF NUTS ON TERMINAL STUDS REQUIRING REPLACEMENT OF TERMINAL BLOCK AA, AND WIRES FROM AA1L AND AA2L TO CONNECTOR JA-P5 PINS A AND B.