As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOPERATIVE BATTERY PACK BTW STA 727C TO STA 727D LT SIDE AT PASSENGER CABIN (1 EA). REPLACED THE BATTERY PACK IAW AMM 33-51-06-960-805 STEP 4.E. ITEM (4) AND (5). PERFORMED OPERATIONAL TEST BATTERY PACK IAW AMM 33-51-06-960-805 STEP 4.E ITEM (6), TESTED OK.