What was found
EMERGENCY LIGHT BATTERY 1 LOW ON EMERGENCY LIGHT TEST. PREFLT DEFERRED IAW MEL 33-50-4. ACCOMPLISHED DMP 33-50-4, PLACARD INSTALLED. R & R WITH NEW BATTERY EMERGENCY POWER SUPPLY AND OPS CHECKED NORMAL IAW AMM33-51-01, AMM33-51-01 / 501, CLEARED M549507. REMOVED PLACARD. ON/OFF, PN:60-4415-5. ON SN:0101. OFF SN:1063. IPC33-51-10-01, ITEM 008.