What was found
INTERIOR/EXTERIOR EMERGENCY EXIT LIGHTS INOP<[01] PERFORMED EMERGENCY LIGHTS TROUBLESHOOTING AS PER B737 SSM 33-51-12; 33-51-13 AND 33-51-14. FOUND BATTERIES M1672; M1673; M1670; M1668 AND M1675 DEFECTIVE. REMOVED AND REPLACED BATTERY PACKS M1672; M1673; M1670; M1668; M1675 AS PER B737 AMM 33-51-06-960-805.;[02] PERFORMED EMERGENCY LIGHTS TROUBLESHOOTING AS PER B737 SSM 33-51-12; 33-51-13 AND 33-51-14. FOUND BATTERIES M1672; M1673; M1670; M1668 AND M1675 DEFECTIVE. REMOVED AND REPLACED BATTERY PACKS M1672; M1673; M1670; M1668; M1675 AS PER B737 AMM 33-51-06-960-805. PERFORMED EMERGENCY LIGHT- OPERATIONAL CHECK PER REF. AMM 33-51-00-720-801.TEST PASSED.;[03] VERIFIED;[04] VERIFIED STEPS 1-3