What was found
FAILED EMERGENCY LIGHTING SYSTEM BATTERY PACK M1675 (REF AAR NR 1000028365) FAILED FUNCTIONAL CHECK DURING D CHECK IN RFD REMOVED BATTERY PACK M1675 ON LEFT SIDE FORWARD CABIN IAW B737 AMM 33-51-06-960-805. INSTALLED BATTERY PACK M1675 ON LEFT SIDE FORWARD CABIN IAW B737 AMM 33-51-06-960-805 AND PERFORMED OPS. TEST. IAW B 737AMM 33-51-00-710-801. TEST PASS. REMOVED BATTERY PACK M1675 ON LEFT SIDE FORWARD CABIN IAW B737 A MM 33-51-06-960-805. INSTALLED BATTERY PACK M1675 ON LEFT SIDE F ORWARD CABIN IAW B737 AMM 33-51-06-960-805 AND PERFORMED OPS. TE ST. IAW B 737AMM 33-51-00-710-801. TEST PASS.