What was found
WHEN TESTING THE REPLACEMENT BATTERY PACK ON THE LEFT HAND CABIN FORWARD OF STATION 578 ABOVE THE CREASE BEAM; SEVERAL EMERGENCY EXIT LIGHTS INSIDE AND OUTSIDE FAIL TO ILLUMINATE. / [01] INFO ONLY: TROUBLESHOT MULTIPLE EMERGENCY EXIT LIGHTS NOT ILLUMINATING PER FIM 33-50-00-810-801. FOUND BATTERY PACK M2335 AT STA. 500C+7 LBL 67 (7ABC) TO BE AT FAULT. REQUIRES BATTERY REPLACEMENT.;[02] VERIFIED EMERGENCY LIGHTS BATTER PACKS CHARGED PER AMM 33-51-06 AND ALL EMERGENCY LIGHTS OPERATIONAL TEST GOOD PER AMM 33-51-00;[03] INSPECTED.