What was found
OVERHEAD BIN EMERGENCY LIGHTS AT ROWS 6R/H; 10R/H AND 13R/H INOP. / [01] PERFORMED TROUBLESHOOTING AS PER REFERENCE B737 WDM 33-51-12-13. FOUND POWER SUPPLY AND BATTERY PACK M1676 DEFECTIVE.;[02] REMOVED AND REPLACED POWER SUPPLY M1676 AS PER REFERENCE B737 AMM 33-51-06-960-806.;[03] VERIFIED STEP 1;2;[04] REMOVED AND REPLACED BATTERY PACK ON M1676 FOR OVERHEAD BIN EMERGENCY LIGHTS AT ROWS 6R/H; 10R/H AND 13R/H AS PER B737 AMM 33-51-06-960-805. TEST OK;[05] VERIFIED STEP 4.