As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACRID ODOR AND WHITE SMOKE EMITTING FROM VENT AFT OF NOSE GEAR, UNDER E&E COMPARTMENT. FOUND SHIPS MAIN BATTERIES OVERHEATING. FOUND SHIP`S MAIN BATTERIES OVERHEATING. REMOVED BATTERY & REPLACED LT & RT BATTERY CHARGER & TESTED BOTH THERMAL SENSORS, BOTH OK BUT REPLACED AS PRECAUTION. SYSTEM TESTS OK.