What was found
M1669 EMERGENCY LIGHT BATTERY PACK FAILED CAPACITY TEST ; / [01] REMOVED AIR RETURN GRILL AT STA 603 RBL 67 PER CMM 25-23-01 PARA. 1.2 AND REMOVED M1669 EMERGENCY BATTERY AND REPLACED WITH SERVICEABLE BATTERY PER AMM 33-51-06-960-805 STEP 4.D.(1)-(5); [02] VERIFIED CORRECTIVE ACTIONS STEP 1.; [03] OK TO CLOSE GIVEN.; [04] REINSTALLED AIR RETURN GRILL AT STA 603 RBL 67 PER CMM 25-23-01 PARA. 1.3 AND PERFORMED GOOD INSTALLATION TEST OF M1669 EMERGENCY BATTERY PER AMM 33-51-06-960-805 STEP 4.D.(6); [05] VERIFIED CORRECTIVE ACTION #4