What was found
EXTERNAL FUSELAGE LH/RH OVER WING SCAPE EMERGENCY LIGHTS AND MAIN CABIN AISLE LIGHTS ROW 9 AND 11 LH INOP. / [01] REMOVED AND REPLACED BATTERY CHARGER ASSY AS PER REF B737 AMM- 33-51-06-960-806.;[02] REMOVED AND REPLACED BATTERY CHARGER ASSY AT POSITION M1670 AND PERFORMED INSTALLATION TEST FOUND NORMAL AS PER REF B737-AMM-33-51-06-960-806.;[03] REMOVED AND REPLACED EMERGENCY BATTERY PACK AT POSITION M1670 AND PERFORMED OPS TEST FOUND NORMAL AT LH/RH OVER WING SCAPE EMERGENCY LIGHT AND MAIN CABIN AISLE LIGHTS ROW 9 AND 11.;[04] VERIFIED STEP 1;2;3