As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED NR 1 AND NR 2 BATTERY VOLTAGE AND AMP METER FLUCTUATES WILDLY. THE OVERHEAD PANEL, WAS R & R IAW AMM 12-A-31-10-01-00A-920A-A, AND THE NR2 BATT CURRENT SENSOR PN 524.52.12.720 WAS R & R IAW AMM 12-A-24-30-08-00A-920A-A. ALL CHECKED SATISFACTORY.