What was found
SEVERAL PAX CABIN EMERGENCY LIGHTS INOPERATIVE<[01] OPENED ACCESS PANEL TO PERFORM CABIN EMERGENCY LIGHTS; PERFORMED T/S AND FOUND M1676(R); M2335(L); M1694(L); M1670(L); AND M1671(R); BATTERY PACKS DEFECTED. REF. TO B 737 AMM 21-23-03-000-801 FIM 33-50 TASK 801. REPLACED PASSENGER CABIN EMERGENCY BATTERY PACKS AT LOCATIONS M1676(R); M2335(L); M1694(L); AND M1671(R) AS PER AMM 33-51-06-960-805. PERFORMED POWER SUPPLY - BATTERY PACK REPLACEMENT M1670 AS PER REF AMM 33-51-06-960-805. PERFORMED INSTALLATION TEST OF BATTERY PACKS AS PER REF AMM 33-51-06-960-805. PERFORMED RETURN AIR GRILLE INSTALLATION AS PER REF AMM 21-23-03-400-802.;[02] VERIFIED STEP 1.<BR>AUDIT C/W PER MPM 52.02.02.