What was found
INOP BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) ; 2021-429707 / [01] REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805; [02] REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805 TEST IS GOOD; [03] CORRECTED STEP 1 AND 2. REPLACED BATTERY PACK AT RT SIDE NEXT TO EMERGENCY EXIT HATCH AT PASSENGER CABIN (1 EA) IAW B737-700 AMM 33-51-06-960-805 TEST IS GOOD; [04] CERTIFIED STEP 3