What was found
DURING ACCOMPLISHMENT OF T/C 78233008 EMERGENCY LIGHTS OPS CHECK, FOUND EMERGENCY AISLE LIGHT AT SEAT ROW 27ABC WILL NOT ILLUMINATE. ALL OTHER ARE OPERATIONAL. ACFT GROUNDED. REPLACED EMERGENCY AISLE LIGHT ASSY 27 ABC REF AMM 33-51-03. NO HELP. OLD SERVICEABLE UNIT REINSTALLED IN 27 ABC. FOUND SOCKET "A" PUSHED BACK IN CONNECTOR D15778/ D14816 BETWEEN L1507 AISLE LIGHT AND BATTERY PACK M2626. SECURED SOCKET IN CONNECTOR IAW SWPM 20-63-02. 27 ABC AISLE EMERGENCY LIGHT ASSY, OPS CHECKED GOOD.