As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING EMERGENCY LIGHT POWER SUPPLY 1 DEEP CYCLE CHECK FOUND A FEW SECTIONS NOT PASSING. REPLACED THE BATTERY PACK AT ROW 41 LOWER SIDEWALL AND BATTERY PACK AT AFT GALLEY CENTER CEILING PANEL LT BATTERY PACK. ALSO, CHANGED CHARGER AT LT OVERWING EMERGENCY DOOR LOWER SIDEWALL PANEL. COMPLETED OPS CHECK IAW AMDS OPS CK NORMAL.