What was found
EXIT SIGN OVER MAIN CABIN DOOR AND EXIT SIGNS LEFT AND RIGHT OF MAIN CABIN DOOR INOP. PERFORMED OPS CHECKED OF EMERG. LIGHTING SYSTEM FOUND FWD EMERG. LIGHTS NOT COMING ON WITH LIGHT SWITCH IN THE ON POSITION. REPOSITION BATTERY PACK & OPS CHECK FWD EMERG. LIGHTS CAME ON & AFT EMERG. LIGHTS DID NOT COME ON. POWER UP ACFT &CHARGE BATTERY PACK FOR A HOUR & HALF. PERFORMED OPS CHECK OF EMERG. LIGHTS & AFT EMERG. LIGHTS FLICKER & THEN OFF. BATTERY PACK FAILED. REPOSITION BATTERY PACK BACK TO ORIGINAL POSITION, R & R FWD BATTERY PACK. POWER UP ACFT & CHARGE THE BATTERY PACK. PERFORMED SATISFACTORY OPS CHECK OF EMERG. LIGHTING SYSTEM IAW AM M 33-50-01.