As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT INSPECTION, FOUND CENTER OVERWING LIGHT INOPERATIVE. TROUBLE SHOT SYSTEM, FOUND BATTERY PACK LOW. REMOVED AND REPLACED CENTER OVERWING BATTERY PACK. OPS TEST ON GROUND NORMAL IAW MM 33-10-0 AND 33-50-02. AIRCRAFT RETURNED TO SERVICE. (M)