What was found
EMERGENCY LIGHTS FAILED TO OPERATE: >IN FLIGHT DECK. >OUTSIDE OF L1 DOOR. >LEFT OVERHEAD BINS 1 AND 4. >SMALL EXIT MARKER FWD OF L1 DOOR. >EXIT SING OVER FLIGHT DECK ENTRANCE. >EXIT SING OVER R1 DOOR. EMERGENCY LIGHTS FAILED TO OPERATE:>IN FLIGHT DECK.>OUTSIDE OF L1 DOOR.>LEFT OVERHEAD BINS 1 AND 4.>SMALL EXIT MARKER FWD OF L1 DOOR.>EXIT SING OVER FLIGHT DECK ENTRANCE.>EXIT SING OVER R1 DOOR. / [01] T/S AND FOUND EMERGENCY BATTERY PACK POSITION M1675 INOPERATIVE AS PER REF. B737 WDM 33-51-12.;[02] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1675 I/A/W BOEING 737 AMM 33-51-06-960-805; OPS CHECK FOUND NORMAL;[03] VERIFIED STEP #2.;[04] ADD TO STEP #3. FINAL INSPECTION; REPLACED EMERGENCY LIGHT BATTERY AND OPS CHECK PERFORMED.