What was found
DURING THE MX CHECK, IT WAS NOTED THE WALL MOUNTED EXIT LIGHTED SIGN (FIN 90WL7) AT THE LOWER LT AFT ENTRY DOOR WOULD NOT COME ON DURING THE TEST. THE TECH GAINED ACCESS OT THE LIGHT ASSY AND FOUND THE GROUND WIRE CONTACT, 7439VS-B, HAD BECOME DISCONNECTED FROM THE SLEEVE. REF ASM 33-51-00, FIG 103 SHEET 3. THE TECH REINSERTED THE WIRE INTO THE CONNECTOR USING A PIN INSERTION TOOL. THE EMERGENCY LIGHT SYS TESTED, OK. NO DELAY OCCURRED DUE TO THIS ISSUE.