As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - FLT 3211 - EMERGENCY POWER SUPPLY BATTERIES HAVE LOW VOLTAGE, APPROXIMATELY FIVE VOLTS. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY BATTERIES AT 20LN, 22LN, 23LN, AND 24LN IAW SAAB MM 33-51-10. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. REF: OPER CONTROL NR 20001208SH007 THROUGH 20001208SH009. (X)