What was found
SEVERAL EMERGENCY LIGHTS INOPERATIVE AT MAIN PASSENGER CABIN AND EXTERNAL FUSELAGE<[01] REMOVED AND REPLACED BATTERY PACK M1673 PER AMM 33-51-06-960-805. TEST NORMAL;[02] TROUBLE SHOOT PER FIM 33-50 TASK 801 AND FOUND M1673 AND M1675 DEFECTIVES. REMOVED AND REPLACED BATTERY PACK M1673 AND M1675 AS PER B737 AMM 33-51-06-960-805. TEST OK.<BR><BR>TOOL USED<BR>MULTIMETER B/C 13668 DUE 10 OCT 23;[03] VERIFIED STEP 2; REMOVAL AND REPLACEMENT OF BATTERY PACK M1673 AND M1675 AS PER B737 AMM 33-51-06-960-805. TEST OK.