What was found
AIRCRAFT MAIN BATTERY SHOWS 3 VOLTS. SWAPPED MAIN BATTERY WITH APU FOR TROUBLESHOOTING MAIN AIRCRAFT BATTERY SHOWS CHARGED NO OTHER DEFECTS IAW AMM 24-31-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT MAIN BATTERY SHOWS 3 VOLTS. SWAPPED MAIN BATTERY WITH APU FOR TROUBLESHOOTING MAIN AIRCRAFT BATTERY SHOWS CHARGED NO OTHER DEFECTS IAW AMM 24-31-01.