What was found
DURING PUSH, AFTER ENGINE START, AUDIBLE POP, POWER LOSS, & SMOKE ODOR IN COCKPIT & AFT GALLEY. CREW REPORTED ACFT WAS STILL ON APU GEN AT THE TIME OF POWER LOSS. INSPECTED APU GENERATOR AND FOUND DAMAGE & MELTED PLASTIC AT TERMINAL BOX. R & R APU STARTER GENERATOR IAW AMM 49-41-21. OPS CHKD GOOD. ACFT OK FOR SERVICE.