As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOP BATTERY PACK LOCATION BTW BS 500C TO STA 500D RH SIDE AT PASSENGER CABIN (1 EA). REPLACED BATTERY PACK LOCATION BTW STA 500C TO STA 500D RH SIDE AT PASSENGER CABIN (1 EA) I.A.W. B737-800 AMM 33-51-06-960-805 STEP 4.E. ITEM (4) AND (5). PERFORMED OPERATIONAL TEST BATTERY PACK LOCATION BTW STA 500C TO STA 500D RH SIDE AT PASSENGER CABIN (1 EA) IAW AMM 33-51-06-960-805 STEP 4.E ITEM, TEST IS OK