As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT FAILED TO START. NO POWER WITH MASTER TURNED ON. TROUBLE-SHOOTING LED TO MAIN BATTERY VOLTAGE INDICATING 0 VDC ON MULTIMETER. BATTERY REMOVED AND LID OPENED TO INSPECT CELLS. ONE (1) CELL INTERCONNECTING TIE LINK FOUND BROKEN WITH INDICATIONS OF ARCING.